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{{Infobox person
The chossid '''Israel Aryeh Leib Schneerson''' (Schneersohn. Called '''Leibel''', and also used the name '''Mordechai Gurary'''; 21 Iyar 5666 [1906] - 13 Iyar 5712 [1952]). He was the Rebbe's brother, the son of the Gaon and Kabbalist Rabbi Levi Yitzchak and Rebbetzin Chana Schneerson.
|name=Yisroel Aryeh Leib Schneerson
|image=ישראל אריה ליב.jpg
|description=The grave of Yisroel Aryeh Leib Schneerson in the old cemetery of [[Tzfas]]
|nickname=Leibel
|birth_date=[[21 Iyar]] [[5666]]
|birth_place=[[Nikolayev]]
|death_date=[[13 Iyar]] [[5712]]
|death_place=Liverpool
|burial_place=[[Tzfas]]
|father=[[Levi Yitzchak Schneerson]]
|mother=[[Chana Schneerson]]
}}


== Life History ==
'''Yisroel Aryeh Leib Schneerson''' (also known as '''Leibel''', and at various times used the alias '''Mordechai (Mark) Guraria'''<ref>This was the name of a Chabad young man who drowned, whose passport Yisroel Aryeh Leib used due to persecution in the [[Soviet Union]]. He used the name because he was on the secret police's list of known activists and did not want to be identified.</ref>; [[21 Iyar]] [[5666]]<ref name="birthdate">In Rebbetzin Chana's ''Reshimas Zichronos'', booklet 29, she writes in her own words that her son was born at the end of the month of Iyar: "End of the month of Iyar 5710 — not long ago was the birthday of our youngest son." And in Rabbi Berel Schneerson's notes, p. 68, it is recorded that Yisroel Aryeh Leib's grandfather — the author of those notes — told the Rebbe Rashab that at the end of Iyar 5675, his son Reb Levik's youngest son would turn nine. From all of the above it follows that Yisroel Aryeh Leib was born at the end of Iyar 5666. This is consistent with the records of the local archive of Nikolayev, where it is recorded that he was born on 21 Iyar 5666. However, in ''Sefer HaMaamarim Melukat'', vol. 5, in the prefatory remarks to the maamar "Acharei Kedoshim — 13 Iyar 5721," it states that he was born on 3 Sivan 5669. For a full discussion and refutation of the alternative dates, see the book ''Shanim Rishonos'', p. 541.</ref> – [[13 Iyar]] [[5712]]) was the brother of [[the Rebbe]], and the son of the Gaon and Kabbalist Rabbi [[Levi Yitzchak Schneerson]] and [[Rebbetzin Chana Schneerson]].


==== Birth and Childhood ====
==Life==
Israel Aryeh Leib was born on 21 Iyar 5666 [1906] in the city of Nikolayev, as the youngest son of Rabbi Levi Yitzchak and Rebbetzin Chana Schneerson. He was named "Israel Aryeh Leib" after his uncle (his mother's brother), Rabbi Israel Leib Yanovsky, who passed away in his youth, and his great-grandfather, Rabbi Israel Leib Yanovsky, the Rosh Yeshiva in Romanovka, Kherson. He was known by the name '''Leibel'''.
===Birth and Childhood===
He was born on 21 Iyar 5666<ref name="birthdate"/> in the city of Nikolayev, the youngest son of Rabbi Levi Yitzchak and Rebbetzin Chana Schneerson. He was named "Yisroel Aryeh Leib" after his maternal uncle, Rabbi Yisroel Leib Yanovsky, who had died young, and his great-great-grandfather, Rabbi Yisroel Leib Yanovsky, a rosh yeshiva in Romanovka, Kherson.<ref>''Toldos Levi Yitzchak'', vol. 2, p. 395.</ref> He was known by the affectionate name '''Leibel'''.


In his childhood, exceptional talents were evident in him; he was self-taught, profound, with a brilliant memory and a diligent scholar with great perseverance.
From childhood, extraordinary gifts were evident in him he was self-taught, penetrating in his thinking, possessed of a genius-level memory, and a diligent and tenacious learner.


In the children's newspaper "HaAch" published during that period by Yeshivas Tomchei Tmimim, Israel Aryeh Leib's name appears together with his brothers, the Rebbe and Dovber, as donors for the students of Yeshivas Tomchei Tmimim. When he was three years old, he was already reciting Mishnayos by heart. Many times his mother had to pull him away from learning so that he would eat, drink, etc. On one occasion, his father R' Levi Yitzchak said about him: "He has the mind of the Tzemach Tzedek." Initially, the child studied in the local Talmud Torah, together with other children, and at a certain stage his father hired a private melamed for his children.
In the children's newspaper ''HaAch'' published at that time by Tomchei Temimim yeshiva, his name appears alongside his brothers — [[the Rebbe]] and [[DovBer Schneerson]] — as contributors on behalf of the yeshiva students. At the age of three, he could already recite Mishnayos by heart.<ref>Told by Rabbi Nachum Gorlenik, who as a young man was invited in 5672 [1912] by the Rebbe's father, Rabbi Levi Yitzchak Schneerson, to visit his home. There he saw Yisroel Aryeh Leib bent over a book with his head resting in his arms throughout the entire visit, not once raising his head. Reb Nachum assumed it was some sort of game, until it became clear to him that the child had been learning Mishnayos the whole time.</ref> His mother frequently had to pull him away from his learning to eat, drink, and attend to other needs.<ref>Told by Rabbi Simcha Gorodetzky — Rebbetzin Chana once called him over specifically to show him her son's diligence. She called him once, twice, and he did not respond even when she tugged at his sleeve.</ref> On one occasion, his father Reb Levi Yitzchak said of him: "He has the head of the Tzemach Tzedek."<ref>Original in Yiddish: ''"Er hot dem Tzemach Tzedek's kop."''</ref>


In 1915, his grandfather, Rabbi Baruch Shneur Zalman Schneerson, told the Rebbe Rashab about Israel Aryeh Leib: "My son Levi'k has a young son who is like a prodigy, who is knowledgeable in Gemara and Midrash and can study well." The Rebbe Rashab asked: "How old is he?" and the grandfather replied: "With Hashem's help, before Shavuot he will be nine years old."
He first studied at the local Talmud Torah alongside other children, and at a certain point his father engaged a private tutor for his sons.


Rabbi Yoel Cohen, who knew him in Tel Aviv, used to tell that when R' Levi Yitzchak, the Rebbe, and Israel Aryeh Leib would talk, R' Levi Yitzchak would speak in the letters and style of Kabbalah, the Rebbe in the letters and style of Chassidus, and Israel Aryeh Leib in the style of philosophical inquiry.
In 5675 [1915], his grandfather, Rabbi [[Baruch Schneor Zalman Schneerson]], said to the [[Rebbe Rashab]] of Yisroel Aryeh Leib: {{quote|My son Levik has a young son who is on the path of an ''iluy'' — a prodigy — well-versed in Gemara and Midrash and capable of learning at a high level.}} The Rebbe Rashab asked: "How old is he?" and the grandfather replied: "With G-d's help, he will turn nine before Shavuos."


He also relates that Israel Aryeh Leib used to take a matchbox and say, what comes here from Atzmut, what comes here from Atzilus, and so forth.
Rabbi [[Yoel Kohn]], who knew him in [[Tel Aviv]], would recount that when Reb Levi Yitzchak, the Rebbe, and Yisroel Aryeh Leib were in conversation together, each spoke in a distinct voice: Reb Levi Yitzchak in the language and idiom of Kabbalah, the Rebbe in the language and idiom of Chassidus, and Yisroel Aryeh Leib in the idiom of philosophical inquiry.


==== His Youth ====
He also recounts that Yisroel Aryeh Leib would pick up a matchbox and ask: what belongs here from the world of ''Atzilus'' — the highest spiritual realm — what from ''Atzmos'' the innermost essence — and so on, applying the deepest categories of Kabbalistic thought to the most ordinary objects.
During the Nine Days from Rosh Chodesh Av until Tisha B'Av, he would complete a Gemara tractate each day that he had studied the previous night. Once, a heated discussion arose among family members about the Kabbalistic concepts of M"AH and B"AN. The debate continued for several months, during which Israel Aryeh Leib said that the entire discussion was merely '''about''' the concepts of M"AH and B"AN, but the essence of M"AH and B"AN was a different matter, and he provided an explanation of these concepts based on philosophical inquiry.


== With the Rebbe Rayatz ==
===Young Adulthood===
In 5684 (1924), after the Rebbe Rayatz moved to live in Petersburg, Yisrael Aryeh Leib moved to live in the city and for a period lived near the house of the Rebbe Rayatz, together with his brother (the Rebbe, leader of our generation). The Rebbe Rayatz drew him very close, and he would enter for private audiences with him from time to time. During one of these private audiences, he asked the Rebbe Rayatz a question about Chassidic teachings, but the Rebbe refrained from answering it, saying that it was not relevant to him. He left the audience broken and burst into tears. After some time, he entered for a second audience and did not ask his previous question, and the Rebbe Rayatz turned to him on his own initiative and answered his question. Upon leaving the audience, Yisrael Aryeh Leib explained to the Chassidim that in order to receive the explanation, he needed to have a "broken heart," and that was why the Rebbe Rayatz initially refrained from answering him.
[[File:מודעה ישראל אריה לייב.jpg|left|thumb|250px|An announcement of a memorial gathering organized by the [[Histadrut HaChassidim]] organization (Iyar 5772)]]
During the Nine Days — from Rosh Chodesh Av through Tisha B'Av — he would complete an entire tractate of Gemara each day, having learned it through the night before.<ref>Told by Rabbi Simcha Gorodetzky, who witnessed him learning through entire nights.</ref>


Reb Leibel (as he was nicknamed) became friends and regularly conversed with Chabad Chassidim in Leningrad, and they would consult with him on various Jewish matters. Yeshiva students from that period remember that he was knowledgeable in all of the "Hemshech 5666" of the Rebbe Rashab. During that time, he also enrolled in regular studies at the university and simultaneously helped the Chabad organization "Tiferes Bachurim" to organize Torah classes for students and young married men.
On one occasion a lively debate broke out in the family around the Kabbalistic concepts of ''Mem-Heh'' and ''Beis-Nun'' — two fundamental divine names with deep significance in Chabad Kabbalistic thought. The debate went on for several months. At a certain point Yisroel Aryeh Leib interjected that the entire discussion had been about these concepts only from the outside — but the inner essence of ''Mem-Heh'' and ''Beis-Nun'' was an entirely different matter — and he offered an explanation of them through the lens of philosophical inquiry.<ref>Told by his mother, Rebbetzin Chana Schneerson.</ref>


On the night of 5 Teves 5689 (1928), the Rebbe Rayatz told his son-in-law, the Rebbe, about a night vision in which he merited to hear Chassidic teachings from the Rebbe Rashab together with Yisrael Aryeh Leib.
==With the Rebbe Rayatz==
In 5684 [1924], after the [[Rebbe Rayatz]] — Rabbi Yosef Yitzchak Schneerson, the sixth Chabad Rebbe — moved to [[Petersburg]], Yisroel Aryeh Leib moved to the city as well, and for a period lived near the Rebbe Rayatz's home together with his brother (the Rebbe). The Rebbe Rayatz drew him close, and he would occasionally be received for private audiences — ''yechidus''. During one such yechidus, he posed a question in the teachings of Chassidus, and the Rebbe Rayatz declined to answer, telling him it was not relevant to him. He left the yechidus shattered and broke into tears. Some time later he entered again, and without raising his earlier question, the Rebbe Rayatz turned to him on his own initiative and answered it. Coming out, Yisroel Aryeh Leib explained to the chassidim that in order to receive the explanation, he had first needed to reach a state of ''lev nishbar'' — a broken heart — and that was why the Rebbe Rayatz had initially withheld the answer.


In 5690 (1930), he left the Soviet Union and moved to Berlin, Germany. He crossed the border with a passport under the name "Mordechai (Mitya) Gurary," who was a Chabad young man from Dnepropetrovsk who had drowned in the Dnieper River. From then until the end of his days, he called himself "Mordechai Gurary." While in Berlin, he became ill with typhus, and the Rebbe and Rebbetzin, who were in Berlin at the time, gave him a bed in their small apartment and cared for him until he recovered.
Reb Leibel, as he was known, befriended and regularly conversed with [[Chabad]] chassidim in Leningrad, who would consult him on various matters in Jewish learning and practice. Yeshiva students from that period recall that he had the entire ''Hemshech Taf-Reish-Samach-Vav'' — the Rebbe Rashab's monumental chassidic discourse series of 5666 — by heart. During this period he also enrolled in regular university studies, while simultaneously assisting the Chabad organization ''Tiferes Bachurim'' in organizing Torah classes for students and young married men.


In 5691 (1931), apparently following his brother (the Rebbe), he enrolled at the University of Berlin and studied there for three years, until 5693 (1933).
On the night of 5 Teves 5689 [1929], the Rebbe Rayatz told his son-in-law, the Rebbe, of a vision in which he had merited to hear Chassidus from the Rebbe Rashab together with Yisroel Aryeh Leib.<ref>''Sefer HaSichos 5689'', pp. 65–66.</ref>


During that period, he moved to Paris, France, where his brother, the Rebbe, lived. After a short time, he decided to immigrate to the land of Israel, and for this he needed documents from Germany, where he had stayed before, but in Germany there was already a Nazi regime. His sister-in-law, Rebbetzin Chaya Mushka Schneerson, volunteered with self-sacrifice to go to Germany and from there she arranged to obtain the required documents for him from the Nazi government offices.
In 5690 [1930], he left the Soviet Union and moved to [[Berlin]]. He crossed the border using the passport of "Mordechai (Mitya) Guraria" — a Chabad young man from Dnepropetrovsk who had drowned in the Dnieper River. From that point until the end of his life, he used the name Mordechai Guraria. While in Berlin, he fell ill with typhus, and the Rebbe and Rebbetzin — who were living in Berlin at the time — gave him a bed in their small apartment and cared for him until he recovered.<ref>Told by Shalom DovBer Guraria.</ref>


In recently discovered letters that the Rebbe wrote to his father and mother, the Rebbe writes about his condition, and also about attempts to find a match for him.
In 5691 [1931], apparently following his brother (the Rebbe), he enrolled at the University of Berlin, where he studied for three years until 5693 [1933].


== In the Land of Israel ==
He then moved to [[Paris]], where his brother the Rebbe was living. After a short time he resolved to make aliyah to [[Eretz Yisrael]], for which he needed documents from Germany — where the Nazi regime was already in power. His sister-in-law, [[Rebbetzin Chaya Mushka Schneerson]], volunteered with extraordinary ''mesirat nefesh'' to travel to Germany and obtain the required documents for him from the Nazi government offices.<ref>''Yemei Melech'', vol. 1, pp. 392–393.</ref>
In 5695 (1935), he immigrated to the land of Israel and lived in the city of Tel Aviv, where Yisrael Aryeh Leib worked as a clerk and librarian in the municipal library. Later, he opened a clothing store (at 3 Nachalat Binyamin Street), and some say it was a bookstore. According to another version: during these years he began working at the Weizmann Institute in Rehovot and was considered the first scientist at the Weizmann Institute.


On 30 Av 5699 (1939), he married Mrs. Genia Roitman (born on 25 Elul 5670 (1910) to Tzvi Hirsch Meir and Sarah Milgrom from Lodz, which was at that time under Russian rule. Her parents were murdered in the Holocaust in the Lodz Ghetto). Genia worked as a pharmacist in a pharmacy in Tel Aviv.
===In Eretz Yisrael===
[[File:גניה ודליה משוחחות עם הנשיא שזר.jpg|thumb]]
At the beginning of 5695 [1935], with the help of Rabbi [[Chanoch Hendel Havlin]], director of [[Yeshivas Toras Emes]], and with the backing of the Rebbe Rayatz, Leibel — registered in the immigration documents under the name Mark Guraria — received a certificate of immigration to Eretz Yisrael. In the middle of 5695 he arrived and settled in [[Tel Aviv]], where he worked as a clerk and librarian at the city library. He later opened a clothing shop (at 3 Nachalat Binyamin Street) — though some accounts say a book shop. According to another version of events, during these years he began working at the Weizmann Institute in Rehovot and is considered to have been its first scientist.<ref>''Kfar Chabad'', Teshura Naki.</ref>
The news about this reached his parents while they were in Chialy and caused them great joy.


During his stay in Tel Aviv, Yisrael Aryeh Leib would occasionally attend farbrengens of Chabad Chassidim at the Nachalat Binyamin synagogue in Tel Aviv and was in contact with them. He also studied Chassidus in a weekly chavrusa with the mashpia Rabbi Nachum Goldschmidt, whom he knew from his childhood in the cheder in Yekaterinoslav, and with Rabbi Pinchas Althaus, whom he knew from his childhood in Nikolayev. Before moving to England, he approached Rabbi Nachum Goldschmidt and asked him to work toward having the Rebbe appointed as Rebbe.
On 30 Av 5699, he married '''Genia Roitman''' (born 25 Elul 5670, to Tzvi Hirsh Meir and Sara Milgrom of Lodz, then under Russian rule; her parents were murdered in the Holocaust in the Lodz Ghetto). Genia worked as a pharmacist at a Tel Aviv pharmacy.


In 5703 (1943), when the Rebbe published the Hayom Yom calendar, he sent one copy to his brother Yisrael Aryeh Leib. After looking through the book, he was very happy and said with excitement: "My brother sent me his first composition. It's a great pity that the world doesn't know what is hidden-concealed within this composition." On another occasion, he said about the "Hayom Yom": "I always knew that my brother has a 'good head,' but to such an extent!"
The news of the wedding reached his parents in Chialy and brought them great joy.<ref>"It was a twofold and redoubled joy — first word from our youngest son, a sign of life, and the glad tidings of a wedding. It was a glimmer of light breaking through the darkness of our exile, a spark of encouragement and hope for the future." — From the memoirs of Rebbetzin Chana.</ref>


On 20 Cheshvan 5705 (1944), their only daughter, Dalia, was born to them.
During his years in Tel Aviv, Yisroel Aryeh Leib would occasionally attend Chabad chassidic gatherings at the Nachalat Binyamin shul in Tel Aviv. He also studied Chassidus weekly in ''chavrusa'' — paired learning — with the mashpia (spiritual guide) Rabbi Nachum Goldschmid, whom he had known since childhood in Yekaterinoslav, and with Rabbi Pinchas Altheus, whom he had known since childhood in Nikolayev. Before leaving for England, he approached Reb Nachum Goldschmid and asked him to work toward having the Rebbe appointed as Rebbe.<ref name="ashkenazi">Rabbi Ashkenazi, p. 159.</ref>


After his passing, the Rebbe worked extensively on her behalf, and when she came to New York, she even stayed on the third floor of the Rebbe's house at 1304 President Street.
While at the Nachalat Binyamin shul, Rabbi Moshe Dubinsky and Rabbi Nachum Goldschmid would sometimes come to him with questions in Chassidus.<ref>''Kfar Chabad Weekly'', Mendi Kurtz, "The Diligent Scholar of the Catskill Mountains," issue 2122, p. 41, 5785.</ref>


On 13 Shevat 5710 (1950), he sent a telegram of condolence to the Rebbe's house on the passing of the Rebbe Rayatz.
In 5703 [1943], when the Rebbe published the ''[[Hayom Yom]]'' — the celebrated calendar anthology of Chabad teachings — he sent a copy to his brother Yisroel Aryeh Leib. After looking through it, he was overjoyed and said with wonder: {{quote|My brother sent me his first composition. It is a great pity that the world does not know what is hidden and contained within it.}} On another occasion he said of the Hayom Yom: {{quote|I always knew my brother had a good head — but to this extent!}}<ref name="ashkenazi"/>


== His Part in Developing the Atom ==
On 20 Cheshvan 5705, their only daughter, [[Dalia Rotman|Dalia]], was born.


==== The Frierdiker Rebbe and the Rebbe Provide Financial Support ====
After his passing, the Rebbe worked extensively on her behalf, and when she came to New York she was even hosted on the third floor of the Rebbe's home at 1304 President Street.<ref>''Beis Moshiach Weekly'', issue 730, p. 31.</ref>
At the beginning of 5708 (1948), he planned to move to England to study at the University of Liverpool. The Frierdiker Rebbe (Rayatz), in a letter from Kislev 5708, blessed him and even agreed to take part in the expenses through a loan that would be transferred through Rabbi Moshe Gurary of Tel Aviv.


During that period, the Rebbe sent him money through Rabbi Moshe Gurary of Tel Aviv, and his brother Rabbi Shneur Zalman Gurary of Crown Heights, as evidenced by a letter to Rabbi Moshe Gurary: "14 Tammuz 5708... I received your letter from 11 Sivan... You delivered to my brother 50 pounds according to my telegram, and afterward I asked your brother Rabbi Shneur Zalman Gurary to write to you requesting to give my brother the same amount again [another 50 pounds for Israel Aryeh Leib]. Surely you have already fulfilled my request. Please let me know how much I should give to Rabbi Shneur Zalman to complete all the above-mentioned."
On 13 Shevat 5710, he sent a telegram of condolences to the Rebbe's household on the passing of the [[Rebbe Rayatz]].<ref>''Yemei Melech'', vol. 1, p. 70; see also his letter to Rebbetzin Chana.</ref>


==== Different Versions of the Purpose of the Trip to England ====
==His Role in Atomic Research==
The plan did not materialize, and about two years later he traveled to England - in the month of Iyar 5710 (1950), with the help of Mr. Shazar (Minister of Education at that time), he traveled to England to complete his studies. On the 21st of Iyar, he arrived in London and continued to the University in Liverpool. This is described in several versions:
===Financial Support from the Rebbe Rayatz and the Rebbe===
At the start of 5708 [1948], he planned to move to England to study at the University of Liverpool. In a letter from Kislev 5708, the Rebbe Rayatz blessed him and agreed to contribute to his expenses by way of a loan, to be channeled through Rabbi Moshe Guraria of Tel Aviv.<ref>''Toldos Levi Yitzchak'', new edition, vol. 2, p. 147; Igros Kodesh of the Rebbe Rayatz, vol. 13, p. 455.</ref>


In a forum on Chadrei Chareidim published in 5771 (2011), it was stated that Israel Aryeh Leib was the head of the Israeli nuclear program: "He was one of the leaders of Israel's nuclear program, and for this purpose he stayed in England."
At that time, the Rebbe also sent him funds through Rabbi Moshe Guraria of Tel Aviv, and through his brother Rabbi Shneur Zalman Guraria of Crown Heights, as is clear from a letter the Rebbe wrote to Rabbi Moshe Guraria:


On the Geulah website, it was published in 5776 (2016): Israel Aryeh Leib was sent to study in England with other Jews, to establish a pool of nuclear scientists in order to later begin producing atomic weapons to defend the Holy Land.
{{quote|14 Tammuz 5708... I received your letter of 11 Sivan... I had [already] transmitted to my brother, on my telegraphed instruction, fifty lirot, and afterward I asked his brother Rabbi Shneur Zalman [Guraria] to write to him at my request and give my brother a further fifty lirot. He has certainly fulfilled this request by now. Please let me know how much I owe Reb Shneur Zalman toward the total of the above.}}


Rabbi Yosef Ashkenazi published in 5777 (2017) in the book "Rabbi Ashkenazi": "His friend Rabbi Nachum Goldschmidt related: Knesset member Yona Kesse knew R' Leibel well from Yekatrinoslav, he told Prime Minister David Ben-Gurion about R' Leibel's genius, suggesting that the state send him abroad to study sciences, and the knowledge he would acquire would be used upon his return to elevate the level and importance of these fields in Israel. The university decided to accept him and grant him a scholarship. The State of Israel for its part funded his plane ticket."
===The Purpose of the Journey to England: Various Accounts===
[[File:מודעה ישראל אריה לייב.jpg|thumb]]
The plan was initially delayed, and he traveled to England only some two years later — in the month of Iyar 5710 [1950], with the assistance of Shneur Zalman Shazar (then Minister of Education). He arrived in London on 21 Iyar and continued to the University of Liverpool. The purpose and circumstances of this journey have been described in several versions:
Rabbi Eliyahu Shveicha published in 5780 (2020) a different version: His childhood friend, Knesset member Yona Kesse, met him one day on the street in Tel Aviv and asked how he was managing with his work. In response, Israel Aryeh Leib lowered his gaze, and with unusual but characteristic modesty, said that he had sent a paper on nuclear physics to the British Atomic Energy Commission, and based on the paper alone, they were inviting him there. He indeed traveled there and was accepted to be a scientist and member of this important committee. Yona Kesse noted with amazement the modesty with which Israel Aryeh Leib related this, and that he had to "extract" this information from him. He also noted the fact that even though Israel Aryeh Leib had not studied these subjects, he succeeded in writing a paper on the topic and was accepted to the committee based on the paper alone.


An additional version was published by Rabbi Moshe Ornstein, head of the Chabad Yeshiva in Netanya in 5783 (2023) - in the weekly Beit Moshiach, the weekly Kfar Chabad, and on the websites Chabad Info and Chabad Online, excerpts from a journal and recording of Yeshayahu Shar who was in his youth a frequent guest in the home of Rabbi Levi Yitzchak Schneerson and a friend of the sons, including the Rebbe and Israel Aryeh Leib. From the new material, and from information published in Toldot Levi Yitzchak, Igrot Kodesh, and Teshurah Naki 5780, new details emerge about Israel Aryeh Leib's niggun (melody) (see below), and also that apparently Israel Aryeh Leib's trip to England was connected to Prime Minister David Ben-Gurion's aspiration to produce an atomic bomb. From the new details, it appears that Israel Aryeh Leib was the first scientist who worked at the Weizmann Institute of Science on the outskirts of the city of Rehovot, and that his aliyah to Eretz Yisrael was for this purpose. He was invited by the Weizmann Institute to join its first workforce. Mr. Yeshayahu Shar recounted in 1969 that Israel Aryeh Leib was "one of the important figures whom Ben-Gurion sent to England in connection with the atom." In light of the new revelations and Mr. Shar's testimony, it is reasonable to assume that the aforementioned article Israel Aryeh Leib sent to the British Atomic Energy Commission was a cover story for the real matter: Israel's security and the development of its nuclear capabilities.
A post in the Charedi online forum ''Bhol'' (5771 [2011]) stated that Yisroel Aryeh Leib headed Israel's nuclear program: "He was among the leaders of Israel's nuclear project, and it was for this purpose that he was in England."<ref>[https://forums.bhol.co.il/forums/topic.asp?topic%20id=2889558 The thread on the Bhol forum.]</ref>


He stayed in England for only about two years and passed away due to cardiological issues. Today it is not known on behalf of which security body he operated and what information he transmitted on the subject of the atom. Much remains hidden. His role at the Weizmann Institute also remains ambiguous, and it is not known in what framework he operated. It is possible that the secretive roles caused the heavy fog surrounding his activities.
The website ''HaGeula'' published (5776 [2016]): "Yisroel Aryeh Leib was sent to England together with other Jews in order to build a pool of nuclear scientists, with the aim of later producing atomic weapons for the defense of the Holy Land."<ref>[https://www.hageula.com/vid/daily_video/15462.htm HaGeula website.]</ref>


==== His Scientific Work ====
Rabbi [[Yosef Ashkenazi]] published the following account in 5777 [2017] in his book ''HaRav Ashkenazi'': "His friend Rabbi Nachum Goldschmid related: Knesset member Yonah Kesse had known Reb Leibel well from Yekaterinoslav. He told Prime Minister [[David Ben-Gurion]] of Reb Leibel's genius, suggesting that the state send him abroad to study science, so that the knowledge he acquired could be used upon his return to elevate the standing of these fields in Israel. The university agreed to accept him and grant him a scholarship. The State of Israel funded his airfare."<ref>Rabbi [[Mordechai Shmuel Ashkenazi]] in a video interview for JEM. ''HaRav Ashkenazi'', 5777, p. 165, citing Rabbi Nachum Goldschmid.</ref>
His scientific work in mathematics was submitted by the Rebbe to Professor Pesach Rosenbloom from Minnesota to prepare it for publication, which was indeed published by him, though without knowing the identity of the author. During the farbrengen of 10 Shevat 5735 (1975), between the talks when the professor approached the Rebbe with the composition, the Rebbe revealed to him that it was his brother's writings who had passed away. Among other things, the Rebbe told him that R' Yisrael Aryeh Leib loved to write things based on his own understanding, being independent in his thinking, and only afterward would he look for sources for his words.


After the publication of the work, the Rebbe sent a letter to Professor Rosenbloom in which he wrote (free translation from English): "First of all, I want to thank you again, dear Dr. Rosenbloom, for the effort, attention, and love you invested in preparing my late brother's manuscript for publication. Although its content is not exactly my field, the effort and dedication you invested are very evident. I would like to thank you also for the future - your continued work on this matter, to print it in the proper way as this is your profession."
Rabbi [[Eliyahu Shveicha]] published a different version in 5780 [2020]: his childhood friend, Knesset member Yonah Kesse, once encountered him on a Tel Aviv street and asked how he was managing. In response, Yisroel Aryeh Leib lowered his eyes and, with characteristic and extraordinary modesty, mentioned that he had sent an article on nuclear physics to the British Atomic Energy Authority, and that based on the article alone, he had been invited there. He indeed traveled, and was accepted as a scientist and member of that distinguished committee. Yonah Kesse noted with admiration the unassuming way in which Yisroel Aryeh Leib told him this — he had practically had to pry it out of him — and the remarkable fact that despite having no formal training in the field, he had written an article on the subject and been accepted to the committee on the basis of that article alone.<ref>Rabbi [[Eliyahu Shveicha]], [http://teshura.com/teshurapdf/נקי-וורצוב%20-%20יט%20אדר%20תשפ.pdf Teshura Naki 5780, p. 21 — "Yisroel Aryeh Leib, Member of the British Atomic Energy Authority."]</ref>


In 5781 (2021), additional notebooks of Yisrael Aryeh Leib with mathematical compositions were discovered and transferred to a team of researchers to decipher them.
A further account was published by Rabbi [[Moshe Ornstein]], Rosh Yeshiva of Tomchei Temimim Netanya, in 5783 [2023], drawing on diary entries and recordings of Yeshayahu Shar — who in his youth was a frequent guest in the home of Rabbi Levi Yitzchak Schneerson and a friend of the sons, including the Rebbe and Yisroel Aryeh Leib.<ref>Selections from Yeshayahu Shar's diaries were published by Rabbi Ornstein in ''Kfar Chabad''; in subsequent years, most of the Chabad-relevant material was published in the book ''Shanim Rishonos''. It should be noted that on several stories, clarifications have been issued that they are not fully accurate — for instance, Shar records that Rebbetzin Chana appeared to be a relative of the author Achad HaAm, which is incorrect; it was her husband, Rabbi Levi Yitzchak, who had a very distant connection to Achad HaAm. This suggests that these memoirs, written long after the events, contain some inaccuracies, and should be relied upon accordingly.</ref> From this material — combined with information published in ''Toldos Levi Yitzchak'', Igros Kodesh, and the Teshura Naki 5780 — it emerges that Yisroel Aryeh Leib was the first scientist to work at the Weizmann Institute of Science in Rehovot, and that his aliyah to Eretz Yisrael was connected to this purpose. He was invited by the Weizmann Institute to join its inaugural staff.<ref>''Kfar Chabad'', issue 2007, 13 Iyar 5783, p. 50, based on the testimony of Mrs. Tzvia Greenspan, wife of Professor Ehud Greenspan, former member of the Atomic Energy Authority.</ref> In a 1969 recording, Yeshayahu Shar said that Yisroel Aryeh Leib was "one of the important figures whom Ben-Gurion sent to England in connection with the atom."<ref>''Kfar Chabad'', issue 2007, p. 46, from Shar's recording.</ref> In light of all of this, it is reasonable to conclude that the article Yisroel Aryeh Leib sent to the British Atomic Energy Authority was cover for the real purpose: the security of the State of Israel and the development of its nuclear capabilities.<ref>''Kfar Chabad'', issue 2007, pp. 46, 50.</ref>


== His Passing ==
He remained in England for only about two years before passing away from cardiac complications. The precise body under whose auspices he operated, and what information he conveyed in connection with the atom, remain unknown. Much remains hidden.
After a period during which he fell ill several times, on the 13th of Iyar 5712 (1952), he passed away in Liverpool from a heart attack, at the age of forty-three.


== His Burial ==
===His Scientific Work===
On the day of his passing, Chabad chassidim in England received a telegram from the Rebbe which stated "My brother in Liverpool passed away," and the Rebbe requested that they take care of all the necessary arrangements (tahara, funeral, etc.) and he would take care of paying the expenses. Initially, the Rebbe wanted to travel to England himself to participate in the funeral, but due to the commotion this would create, causing publicity that would reach the ears of his mother, Rebbetzin Chana - from whom the Rebbe asked to hide the news of the passing because of her age and the suffering she had experienced - he canceled his plans.
His mathematical manuscript was given by the Rebbe to Professor [[Pesach Rosenbloom]] of Minnesota to prepare for publication, which Professor Rosenbloom did — without knowing who the author was. At the farbrengen of 10 Shevat 5735 [1975], when the professor came to the Rebbe and brought the published work with him, the Rebbe revealed to him that these were the writings of his brother who had passed away. Among other things, the Rebbe told him that Reb Yisroel Aryeh Leib had loved to write things from his own understanding — he was deeply independent in his thinking — and only afterward would he search for sources to support what he had written.<ref>[https://chabad.info/video/rebbe/dailyvideo/669067/ "The Rebbe to Professor Rosenbloom: 'I Had a Younger Brother'"] — Chabad Info.</ref>


After his passing, the Rebbe instructed Rabbi Bentzion Shemtov to handle the funeral arrangements and transfer to the Holy Land.
After the work's publication, the Rebbe wrote a letter to Professor Rosenbloom which reads in part (free translation from English): "First of all, I want to thank you again, dear Dr. Rosenbloom, for the effort, attention, and love you invested in the work of preparing my late brother's manuscript for print. Although its contents are not exactly my field, the effort and devotion you invested are very apparent. I also wish to thank you in advance for the continuation of your work on this matter, to print it in the proper manner, as it is your field."
[[File:עליה לקבר אח הרבי.jpg|thumb]]
The students from the Tomchei Tmimim Yeshiva in Manchester were sent to assist with the tahara, and the group included Rabbi Yitzchak Dubov, Rabbi Bentzion Shemtov, Shalom Dovber Gurkov and his brother Shmuel David Gurkov, Avraham Shemtov, and Shalom Dovber Potrfas. After completing the tahara, a funeral was held in Liverpool, from where the coffin was transported to Manchester in a vehicle designated for transporting coffins. On Friday evening, it arrived in London where it remained during Shabbat at the Gurkov family home, where the Chabad minyan was also held. Throughout Shabbat, guards were posted to watch over the coffin until the time of transferring it to the ship, when a large and respected funeral was held in which all Anash in London participated.


When the coffin arrived in Marseille, France, another large funeral was held in which Anash from Paris participated. From there, the coffin continued on its route to Petri, and from there by ship it continued on its way to the Holy Land.
In 5781 [2021], additional notebooks of Yisroel Aryeh Leib containing mathematical writings were discovered and transferred to a team of researchers to decipher.<ref>[https://col.org.il/news/162923 "Reconstructing the Lost Archive of the Rebbe's Brother, Reb Yisroel Aryeh Leib"] — COL.org.il.</ref>
[[File:עליה לציון אח הרבי.JPG|thumb]]
==== Transferring His Coffin to the Holy Land ====
The Rebbe sent a telegram to members of Agudas Chasidei Chabad in the Holy Land who lived in Tel Aviv to receive the coffin that was supposed to arrive at Haifa port and to handle the burial. On the day of arrival, members of Agudas Chasidei Chabad traveled to receive the coffin, including: Rabbi Pinchas Althaus, Rabbi Eliezer Krasik, Rabbi Moshe Gurarya, and the truck driver Baruch Gofin. Several Chabad chasidim from Kfar Chabad also joined them. The coffin, which was made of iron, was transferred by a crane from the ship to the truck, and from there they traveled to the ancient cemetery in Safed, where the local Chevra Kadisha members were already present, handling the burial matters, along with a minyan of Chabad chasidim. The Rebbe sent detailed instructions to Rabbi Moshe Gurarya on how to proceed regarding tahara for burial, etc., more than 30 points (apparently).


A few days after the burial, the Rebbe sent letters of thanks to those who took care of it, including: Rabbi Yitzchak Dubov, Rabbi Ben Zion Shem Tov, Rabbi Eliezer Krasik, and Rabbi Pinchas Althaus.
==Passing==
After a period during which he fell ill several times,<ref>Based on [https://chabad.info/beis-medrash/293578/ a letter of the Rebbe dated 4 Sivan 5712].</ref> on [[13 Iyar]] [[5712]], he passed away in Liverpool from a heart attack, at the age of forty(-six).<ref>See note 2 above regarding the date of birth.</ref><ref>Shortly before the passing, the Rav of Liverpool spoke with him for about two hours. The details of the conversation were kept confidential — the Rav agreed to reveal them only to the Rebbe himself. According to Rabbi Moshe Ornstein, the conversation appears to have concerned Yisroel Aryeh Leib's role in the production of the atomic bomb. See ''Kfar Chabad'', issue 2007, p. 50.</ref>


And thus the burial is described in the book "Eved Avraham Anochi": On the 20th of Iyar, the Rebbe sent instructions regarding this to Rabbi Krasik, chairman of Agudas Chasidei Chabad: "I sent to your honor today a telegram about the funeral. And I will wait for a detailed letter about what was done in this matter, and Hashem Yisborach will help us, that we should use one another for good and joyous things, always all the days."
==Burial==
On the day of his passing, Chabad chassidim in England received a telegram from the Rebbe: "My brother in Liverpool has passed away" — and the Rebbe asked them to see to all the necessary arrangements (''tahara'', funeral, etc.), and that he would cover all expenses. The Rebbe initially intended to travel to England himself to attend the funeral, but he canceled the plan out of concern that the commotion his arrival would cause might reach the ears of his mother [[Rebbetzin Chana]] — from whom the Rebbe took care to conceal his brother's passing, given her age and all she had already suffered.<ref>According to the recollection of the Rebbe's secretary, Rabbi Yehuda Leib Groner — ''Beis Moshiach Weekly'', issue 1211.</ref>


About the funeral and burial, Rabbi Krasik wrote to the Rebbe on Motzei Shabbos Beha'alotcha [the night of the 15th of Sivan] 5712:
The Rebbe instructed Rabbi [[Ben Zion Shemtov]] to handle the funeral arrangements and the transfer of the body to Eretz Yisrael.


"At approximately eight in the morning, a number of us came to Haifa and this was almost exactly at the time when the ship came to Haifa. And we began to take care of lowering the coffin and during this time the Tmimim and Anash already arrived, approximately six minyanim from Tel Aviv, Safaria, Lod, and Jerusalem, and close to two o'clock we already placed the coffin on the car and immediately traveled to Safed. In Safed, the grave was already prepared and only needed some adjustments, and close to five o'clock we already removed the body from the coffin and placed it in the grave, and the golel was sealed."
The bochurim of Tomchei Temimim yeshiva in Manchester were dispatched to assist with the ''tahara''. The group included Rabbi [[Yitzchak Dubov]], Rabbi Ben Zion Shemtov, Shalom DovBer Gurkov and his brother Shmuel Dovid Gurkov, Avraham Shemtov, and Shalom DovBer Futerfas. After the tahara a funeral was held in Liverpool, from where the coffin was transported to Manchester and arrived in London on Erev Shabbos. There it remained in the home of the Gurkov family — which also hosted the local Chabad minyan — for the duration of Shabbos, with watches maintained over the coffin throughout. At the time of the transfer to the ship, a large and dignified funeral was held attended by all of Anash in London.


In a letter from the 3rd of Sivan, the Rebbe thanked the management of Agudas Chasidei Chabad in the Holy Land for their assistance with the funeral: "And for this I have come and for the main thing – to thank from the depth of a deep heart for arranging the funeral of my brother z"l properly, and may it be His will that from here on we should use one another only for happy and healthy matters."
When the coffin arrived in Marseille, France, another large funeral was held attended by Anash from Paris. From there it continued to Patria, and then by ship to Eretz Yisrael.


==== The Rebbe Says Kaddish ====
===Transfer to Eretz Yisrael===
Yisrael Aryeh Leib did not leave anyone who could say Kaddish after him, and the Rebbe said Kaddish for him during the three daily prayers on his yahrzeit.
The Rebbe sent a telegram to the members of [[Agudas Chassidei Chabad]] in Eretz Yisrael, asking them to receive the coffin at the Haifa port and attend to the burial. On the day of arrival, members of Aguch traveled to receive it, among them: Rabbi [[Pinchas Altheus]], Rabbi [[Eliezer Krasik]], Rabbi [[Moshe Guraria]], and truck driver Baruch Goffin. They were joined by several Chabad chassidim from [[Kfar Chabad]]. The iron coffin was lifted by crane from the ship to the truck, and from there they traveled to the old cemetery in [[Tzfas]], where the local Chevra Kadisha were already present to attend to the burial, along with a Chabad minyan. The Rebbe conveyed detailed instructions to Rabbi Moshe Guraria on how to conduct the tahara, burial, and related matters — more than thirty points in all.<ref>Told by Rabbi Gershon Mendel Garelik — ''HaTamim (Beis Moshiach)'', Iyar–Menachem Av 5764, p. 8.</ref>


==== Concealing from His Mother ====
A few days after the burial, the Rebbe sent letters of thanks to those who had attended to the arrangements, among them Rabbi Yitzchak Dubov, Rabbi Ben Zion Shemtov, Rabbi Eliezer Krasik, and Rabbi Pinchas Altheus.
The Rebbe took care to conceal the fact of Yisrael Aryeh Leib's passing from his mother, Rebbetzin Chana Schneerson, so that her health condition would not deteriorate when she learned of her son's passing. During the days of shiva, the Rebbe continued to visit her daily and even wrote letters in the name of his brother and sent them by mail from the sender 'Yisrael Aryeh Leib' to his mother. This procedure continued until the day of her passing, the 6th of Tishrei, 5725 (1964).


==== Going to the Grave ====
The burial is described in the book ''Eved Avraham Anochi'':
Chabad Chassidim visiting Israel Aryeh Leib's grave on his yahrzeit (Iyar 5769/2009)


The Rebbe's response to Chabad Chassidim in Tzfat who visited Israel Aryeh Leib's grave. Decoding of the handwriting: (The secretary wrote): "Rabbi Levi Bistritzky of Tzfat requested to inform that today, 13 Iyar, most of Anash from Tzfat visited the cemetery, recited Tehillim and gave tzedakah on the occasion of the yahrzeit of 13 Iyar." After the words "requested to inform," the Rebbe wrote: "'''Many thanks, many thanks'''." At the end of the note, the Rebbe wrote: "'''May it be G-d's will that all the prayers be accepted among the prayers of all the Jewish people, 'and may everything be accomplished.''''"
In his letter of 20 Iyar, the Rebbe wrote to Rabbi Krasik, chairman of Agudas Chassidei Chabad: "I sent you a telegram today regarding the funeral. I await a detailed letter of what was done, and may G-d help us that we should serve one another only for good and joyous occasions, always and all our days."


Starting from the year 5730/1970, Chabad Chassidim have been visiting the gravesite of R' Israel Aryeh Leib on his yahrzeit. In 5765/2005, the Hisachdus HaChassidim organization began arranging convenient access for visitors as well as a central prayer gathering. On the yahrzeit in 5783/2023, tens of thousands of people visited the grave and the farbrengen area established by Hisachdus HaChassidim.
Rabbi Krasik wrote to the Rebbe on Motzaei Shabbos Behaaloscha [the night of 15 Sivan] 5712:


To the student shluchim of Yeshivas Toras Emes, Jerusalem who visited the grave (and studied the maamar published for 13 Iyar) on the yahrzeit in 5750/1990, the Rebbe replied: "Received with many thanks and may your minds be at ease, etc. It is an auspicious time - Pesach Sheni, Lag BaOmer. I will mention you at the holy gravesite."
{{quote|At around eight in the morning, a number of us came to Haifa, arriving almost exactly as the ship came into port. We began attending to the lowering of the coffin, and in the meantime the Temimim and Anash arrived — about sixty men from Tel Aviv, Lod, and Jerusalem. By around two o'clock we had loaded the coffin onto the truck and set out immediately for Tzfas. In Tzfas the grave was already prepared, needing only some adjustments, and by around five we had removed the body from the coffin, interred it, and the stone was set.}}


When Rabbi Levi Bistritzky, the rabbi of Tzfat, reported to the Rebbe that Chabad Chassidim in Tzfat visited Israel Aryeh Leib's grave on his yahrzeit, recited Tehillim and gave tzedakah, the Rebbe answered: "Many thanks, many thanks... May it be G-d's will that all the prayers be accepted among the prayers of all the Jewish people, 'and may everything be accomplished.'"
In his letter of 3 Sivan, the Rebbe thanked the leadership of Agudas Chassidei Chabad: "And for this above all I have come — to thank you, from the depths of my heart, for attending to the funeral of my brother of blessed memory as it should be. And may it be G-d's will that from this point forward we should serve one another only for joyous and healthy things."


==== Concern for the Condition of the Grave ====
===The Rebbe Recites Kaddish===
The headstone is placed horizontally in an unusual manner. Regarding this, Rabbi Pinchas Althaus wrote to the Rebbe on 21 and 22 Elul 5714/1954, and this was the Rebbe's response on 4 Tishrei 5715/1954:<blockquote>"And regarding what you write that it was erected along the length of the body rather than at the head, if there are other headstones there in such a manner, it should be left as is, but if not, one should not deviate from what is customary in this cemetery, and if there is no alternative, a new headstone should be made and erected like the other headstones. But my mind is put at ease by your writing that many headstones in Tzfat are placed in this manner..."
Yisroel Aryeh Leib left no one who could say Kaddish after him, and the Rebbe recited Kaddish for him at all three daily prayers on his ''yahrzeit''.


— Igros Kodesh Vol. 10, Letter 2967</blockquote>The Rebbe personally took care over the years regarding the condition of the grave, and sometimes would ask visitors if there were things that needed repair.
===Concealing the Passing from His Mother===
On the 11th of Av 5731 (1971), before Rabbi Yitzchak David Groner's trip, he was asked to come to the Rebbe's room, and among other things, the Rebbe asked him where he would be around the 20th of Menachem Av. When he answered that he would be in Eretz Israel, the Rebbe said to him tearfully: "I have a brother who lies in Tiberias; you should go there and see if the tombstone needs repair, and you should place a note there." Rabbi Groner indeed visited the grave on the 20th of Menachem Av and placed a letter on it in which he requested that the Rebbe be healthy and lead the Jewish people to redemption, that the "Who is a Jew" decree be nullified, and that the Rebbe's wishes be fulfilled. When he returned, he wrote a detailed report to the Rebbe.
The Rebbe took care to conceal the fact of Yisroel Aryeh Leib's passing from his mother, [[Rebbetzin Chana]], so that her health would not be undermined by the news of her son's death.<ref>[http://old2.ih.chabad.info/index.php?url=article_he&id=61509 "How the Rebbe Concealed His Brother's Passing from His Mother — A Fascinating Chronicle"] — Chabad Info.</ref> During the days of ''shiva'', the Rebbe continued visiting her daily as was his custom, and even composed letters in his brother's name and mailed them to his mother from the address "Yisroel Aryeh Leib." This practice continued until the day of Rebbetzin Chana's own passing, [[6 Tishrei]] [[5725]].


In the summer of 5733 (1973), the Rebbe wrote in response to Rabbi David Raskin's report of his visit to the Holy Land: "Does my brother's tombstone need any repair?"
===Pilgrimages to His Grave===
[[File:עליה לקבר אח הרבי.jpg|left|thumb|250px|Chabad chassidim visiting the grave of Yisroel Aryeh Leib on his yahrzeit (Iyar 5769)]]
[[File:עליה לציון אח הרבי.JPG|left|thumb|250px|The Rebbe's response to Chabad chassidim in Tzfas who visited the grave. The Rebbe's secretary wrote: "Rabbi Levi Bistritsky of Tzfas requests to convey that today, 13 Iyar, the majority of Anash in Tzfas visited the cemetery, recited Tehillim, and gave tzedakah for the yahrzeit of 13 Iyar." After the words "requests to convey," the Rebbe wrote: '''"Many thanks, many thanks."''' At the end of the note, the Rebbe wrote: '''"May it be G-d's will that all the prayers be accepted within the prayers of all the Jewish people, 'and all shall be fulfilled.'"''']]


==== His Commemoration ====
Beginning in 5730 [1970],<ref>According to the instruction conveyed by Reb [[Chaim Mordechai Aizik Chodakov]] to Reb [[Efraim Wolf]].</ref> Chabad chassidim began making pilgrimage to Reb Yisroel Aryeh Leib's grave on his yahrzeit. In 5765 [2005], the [[Histadrut HaChassidim]] organization began arranging convenient access to the site and organizing a central prayer gathering.<ref>[http://old2.ih.chabad.info/index.php?url=article_he&id=61505 "Prayer gathering at the grave of the Rebbe's brother, organized by Histadrut HaChassidim (Iyar 5771)."]</ref> By the yahrzeit of 5783, tens of thousands visited the grave and the gathering space constructed by the Histadrut HaChassidim.<ref>''Beis Moshiach'', issue 1359.</ref>
Many Chassidim name their sons after him, and there were some whom the Rebbe thanked for this [source needed].


Mr. Yaakov Cohen, who served as the mayor of Kiryat Ono, was one of his close friends and decided to commemorate his memory by establishing a Talmud Torah in his city named after him. He told this to the Rebbe during his yechidus (private audience), and as the cornerstone laying ceremony approached, which was held on Lag B'Omer 5724 (1964), he asked the Rebbe to send a representative to the event. The Rebbe sent Rabbi Shmuel Chefer to the event, explaining that his father-in-law, Rabbi Chaim Yosef Rosenblum, knew Israel Aryeh Leib during his stay in Russia and later in the Holy Land, and he was the most suitable from all perspectives to participate in the event. In a letter to Rabbi Chefer, the Rebbe wrote that they would surely honor him to speak at the event and he should use this in the appropriate direction.
To the students of [[Yeshivas Toras Emes]] in Jerusalem who visited the grave on the yahrzeit in 5750 [1990] and studied the maamar published for 13 Iyar, the Rebbe responded: "Received, and many thanks — may they be at ease, etc. And the present time is Pesach Sheni, Lag B'Omer, may they increase in holiness."<ref>Told by Reb Avraham Sternberg.</ref>


In his memory, gemach (free loan) funds named 'Keren Israel Aryeh Leib' were established in Crown Heights and in Tzfat.
When Rabbi [[Levi Bistritsky]], the Rav of Tzfas, reported to the Rebbe that the Chabad chassidim of Tzfas had ascended on the yahrzeit to the grave of Yisroel Aryeh Leib, recited Tehillim, and gave tzedakah, the Rebbe replied: {{quote|Many thanks, many thanks... May it be G-d's will that all the prayers be accepted within the prayers of all the children of Israel, "and all shall be fulfilled."}}


In his memory, the RIAL Institute (an acronym of his first name) was established under the direction of Rabbi Professor Shimon Silman, a mathematics expert and professional faculty member of Touro College in New York. The organization operates a special research fund and holds an annual Jewish science conference, dealing with the tangible expression in various fields of science of the process of redemption.
===The Rebbe's Ongoing Care for the Grave===
The matzevah lies horizontally, which is not the usual practice. Rabbi Pinchas Altheus wrote to the Rebbe about this on 21 and 22 Elul 5714, and the Rebbe replied on 4 Tishrei 5715:


In Kfar Chabad, there is a synagogue bearing his name.
{{quote|Regarding what you write that it was placed lengthwise along the body rather than at the head — if there are other matzevos arranged this way, it should be left as is; but if not, one should not deviate from the custom of this cemetery. If it cannot be otherwise, a new matzevah should be made and set up like the other matzevos. However, it sets my mind at rest that you write that many matzevos in Tzfas are arranged this way.|source=Igros Kodesh, vol. 10, letter 2,967}}


== Words of the Rebbe About His Brother ==
The Rebbe attended personally to the condition of the grave over the years and would at times ask visitors whether anything required repair.
According to the Rebbe's instructions, the following titles were written on his tombstone and in the dedication on the back cover of the Dvar Malchut collection #12 (pamphlet) which the Rebbe distributed: "The veteran and Chassid, G-d-fearing man, trustworthy with excellent character traits, etc."


In the years 5721, 5725, 5738, 5745, 5747 (1961, 1965, 1978, 1985, 1987), the Rebbe delivered Chassidic discourses specifically for the yahrtzeit of his brother.
On 11 Av 5731 [1971], before a journey by Rabbi [[Yitzchak Dovid Groner]], he was called into the Rebbe's study. Among other things, the Rebbe asked where he would be around 20 Menachem Av.<ref>The day of the passing of their father, Rabbi Levi Yitzchak.</ref> When he replied that he would be in Eretz Yisrael, the Rebbe said to him in tears: {{quote|I have a brother who lies [buried] in Teverya<ref>So said the Rebbe, even though Yisroel Aryeh Leib is buried in Tzfas.</ref> — go there and see whether the matzevah needs repair, and place there a note.}} Rabbi Groner indeed visited the grave on 20 Menachem Av and placed a letter there requesting that the Rebbe be in good health, that he lead all of Israel to the Redemption, that the ''Who is a Jew'' controversy be resolved, and that the Rebbe's wishes be fulfilled. On his return, he wrote a detailed report to the Rebbe.<ref>[http://www.teshura.com/teshurapdf/Telsner-Goldshmid%20-%20Adar%202%2023%2C%205774.pdf Teshura for the Telsner-Goldschmidt wedding, 5774.]</ref>


Several times the Rebbe explained the meaning of his names ("Yisrael," "Aryeh," and "Leib") and the instructions for divine service learned from them: in talks on Shabbat Parshat Acharei-Kedoshim, 13 Iyar 5745, Pesach Sheni 5747, and Shabbat Parshat Acharei-Kedoshim, 13 Iyar 5751. In the last talk, the Rebbe explained:
In the summer of 5733 [1973], the Rebbe wrote in response to a report by Rabbi [[Dovid Raskin]] from his visit to Eretz Yisrael: "The matzevah of my brother of blessed memory — does it need any repair?"


* '''Yisrael''' - an acronym for "'''Y'''esh '''S'''hishim '''R'''ibbo '''A'''otiyot '''L'''aTorah" (There are 600,000 letters in the Torah) corresponding to the 600,000 souls that exist within the Jewish people. The lesson from this is to remember that the source of every Jew's vitality is from the Torah, and one must conduct oneself according to its instructions.
===Commemoration===
* '''Aryeh''' - expresses strength and confrontation. The lesson learned is based on the Mishnah in Pirkei Avot: "Be... strong as a lion to do the will of your Father in Heaven" - to overcome difficulties that interfere with the divine servant on his path.
Many in Anash have named their sons after him, and among them there were those to whom the Rebbe expressed gratitude for doing so.
* '''Leib''' - the Yiddish translation of the word "Aryeh" (lion) - expresses that strength and confrontation must also be present in divine service connected with physical and material matters.


In 5752 (1992), Otzar HaChassidim published the collection "13 Iyar - Forty Years" marking forty years since his passing, which included highlights from his life story, talks and discourses of the Rebbe connected with his yahrtzeit, and more. On the evening of 10 Iyar, the Rebbe saw the collection and was visibly pleased, leafing through it and looking at each page, and finally examining the dedication.
Mr. Yaakov Cohen, who served as mayor of [[Kiryat Ono]], was among his close friends and decided to honor his memory by establishing a [[Talmud Torah]] in his city in his name. He told the Rebbe of this during a yechidus, and as the cornerstone-laying ceremony approached — scheduled for Lag B'Omer 5724 — he asked the Rebbe to send a representative. The Rebbe dispatched Rabbi [[Shmuel Chafer]], explaining that his father-in-law, Rabbi Chaim Yosef Rosenbloom, had known Yisroel Aryeh Leib from his time in Russia and then in Eretz Yisrael, and was therefore the most fitting person to attend.<ref>Igros Kodesh, vol. 23, letter 8,814.</ref> In a letter to Rabbi Chafer, the Rebbe wrote that he would surely be honored to address the gathering and should use that opportunity in the appropriate spirit.<ref>Teshura Chafer, 5775.</ref>


== His Niggun: The Pilpul ==
Gemach funds called ''Keren Yisroel Aryeh Leib'' were established in his memory in Crown Heights and in Tzfas.
On the yahrtzeit of Yisrael Aryeh Leib in 5783 (2023), Rabbi Ornstein revealed in Chabad Info, and subsequently published in Chabad weekly magazines, that the niggun (melody) that Yisrael Aryeh Leib loved to sing regularly was the Pilpul niggun:<blockquote>Nearly 25 years ago, Rosh Yeshiva Rabbi Moshe Ornstein revealed the personal diary of Mr. Yeshayahu Shar z"l, who was a close friend of Yisrael Aryeh Leib, whose yahrtzeit falls this evening. Excerpts from the diary were published at the time in the Kfar Chabad weekly, and appeared again with additions from the original manuscript in the book "Early Years" and published a third time as an appendix to the book "Abba" Part Two. In the diary, spanning 22 pages, Mr. Shar describes, among other things, how R' Leibel taught him the niggun of the Alter Rebbe and asked him "to perpetuate the niggun among the public."</blockquote>For years, Rabbi Ornstein traced the niggun, and by divine providence in the days just before Yisrael Aryeh Leib's yahrtzeit (5783), he received a recording that Mr. Shar had sent to the Rebbe, but which never reached its destination (it was returned to Mr. Shar). In the recording, Mr. Shar repeats the niggun and relates that R' Leibel asked him to preserve the niggun and spread it among the public. The niggun is the well-known Pilpul niggun, but with several changes from the usual version. According to him, R' Leibel revealed to him that this was the Alter Rebbe's niggun. R' Leibel certainly heard about this at home.


At the Rambam completion celebration held at the yeshiva in Netanya in the days following, Rabbi Ornstein revealed the story and the niggun. The students stood up with excitement and sang the niggun together with some of the changes that R' Leibel apparently sang.
The [[RIAL Institute]] was established in his memory (the acronym of his given name — Yisroel Aryeh Leib),<ref>''Beis Moshiach Weekly'', issue 1358, pp. 42–47 — interview with Professor Rabbi Shimon Silman, about his life story and the RIAL Institute.</ref> under the direction of Rabbi Professor [[Shimon Silman]], a mathematics specialist and faculty member of Touro College in New York. The organization operates a special research fund and holds an annual Jewish science conference exploring the concrete expression across various scientific disciplines of the unfolding process of the Redemption.<ref>[http://www.chabad.co.il/?template=article&topic=53&article=257 Report from the 5770 conference] — Chabad in Israel.</ref>


== His Picture ==
In Kfar Chabad there is a synagogue bearing his name.
In the month of Av 5782 (2022), a photo was published which allegedly shows Israel Aryeh Leib. According to the publication, the photo was taken in 1943 [5703] (when he was 37 years old) at the wedding of Israel Aryeh Leib's brother-in-law (Milgrom). The photo was not published by an authorized Chabad organization and therefore was not included in the Chabadpedia project.


== His Family ==
==The Rebbe's Words About His Brother==
By the Rebbe's instruction, the following titles were inscribed on his matzevah and in the dedication on the back cover of the ''Dvar Malchus 12'' kuntres which the Rebbe distributed: "the distinguished and pious, a G-d-fearing man, of fine and elevated character."


* '''His wife''': Mrs. Devorah (Genia) (buried in the new Chabad section in the cemetery in Tzfat).
In the years 5721, 5725, 5738, 5745, and 5747,<ref>From a sicha on Pesach Sheni.</ref> the Rebbe delivered ''maamarim'' of Chassidus specifically for the yahrzeit of his brother.
* '''His daughter''': Mrs. Dalia Rotman, was married to Avner Rotman.
* '''His grandchildren''': Ariel Rotman (born 24 Elul 5735) and Daniel Yehoshua Rotman (born 7 Adar 5738).
* '''His brother''': The Rebbe Shlita.
* '''His brother''': R' DovBer Schneerson.


== Further Reading ==
On several occasions the Rebbe explained the significance of each of his three names — "Yisroel," "Aryeh," and "Leib" — and the lessons in divine service to be drawn from them: in the talks of Shabbos Parshas Acharei-Kedoshim, 13 Iyar 5745; Pesach Sheni 5747; and Shabbos Parshas Acharei-Kedoshim, 13 Iyar 5751.<ref>And similarly, more briefly, in the sicha of 15 Iyar 5751, after Mincha.</ref> In the last of these,<ref>[https://drive.google.com/file/d/0B91KHRkDr3SAU3dvc21kVmJJNXM/view?resourcekey=0-BT8JBn692YYL73o0A0CWyQ Sicha of 13 Iyar 5751] (PDF).</ref> the Rebbe explained:


* Beis Moshiach weekly magazine, issue 364, extensive review about Israel Aryeh Leib Schneerson.
* '''Yisroel''' — an acronym for ''Yesh Shishim Ribbo Osios LaTorah'' — "there are six hundred thousand letters in the Torah," corresponding to the six hundred thousand root-souls of Israel. The lesson: every Jew must remember that the source of his vitality is the Torah, and he must conduct himself accordingly.
* Rabbi Gershon Mendel Garelik - HaTamim (Beis Moshiach), Iyar-Menachem Av 5764.
* '''Aryeh''' — meaning ''lion'' — expresses strength and perseverance. The lesson is drawn from the Mishnah in [[Pirkei Avos]]:<ref>Chapter 5, Mishnah 20.</ref> "Be strong as a lion to do the will of your Father in Heaven" — to overcome whatever obstacles stand in one's path in the service of G-d.
* Naftali Tzvi Gottlieb, '''Toldos Levi Yitzchak'''.
* '''Leib''' the Yiddish word for ''lion'', cognate with ''Aryeh'' — conveys that this same strength and perseverance must extend to the dimension of divine service that engages the material and physical world.
* Rabbi Mordechai Menashe Laufer, Yemei Melech volume one, chapter three.
* Shneur Zalman Berger, Eved Avraham Anochi, the funeral of Israel Aryeh Leib and the Rebbe's responses.
* '''A Great Wonder to Me''', in the 'Chayei Rebbi' section of Kfar Chabad weekly 1958 page 34.
* Rabbi Moshe Orenstein, Moving Revelation: R' Leibel's Niggun, Beis Moshiach, issue 1358.
* Rabbi Moshe Orenstein, "R' Leibel's Niggun", Kfar Chabad, 13 Iyar 5783, issue 2007, p. 39 and onwards.
* Rabbi Eliyahu Shveicha, Teshurah Naki 5780 - Israel Aryeh Leib member of the Atomic Energy Committee in England.
* Rabbi Moshe Orenstein, Kfar Chabad, Iyar 5783 "The Brother Who Dedicated His Life for the Security of Jews" p. 44 and onwards - Ben Gurion sent Israel Aryeh Leib to England regarding atomic production.


== External Links ==
In 5752 [1992], the editorial staff of Otzar HaChassidim published the kuntres ''13 Iyar — Forty Years'' to mark the fortieth year since his passing, containing biographical outlines, sichos and maamarim of the Rebbe related to the yahrzeit, and more. On the night of 10 Iyar, the Rebbe saw the kuntres and expressed visible satisfaction, leafing through it and looking at every page; at the end he studied the dedication.<ref>From a letter written at the time by one of the editors of the kuntres, Rabbi Menachem Mendel Feller — published in ''Kovetz Hearos UBiurim BeToras K"K Admur Shlit"a'', issue 40, p. 18.</ref>


* Biography of R' Israel Aryeh Leib Schneersohn published by the student shluchim of Yeshivas Chassidei Chabad Lubavitch Tzfat, Yahrzeit 13 Iyar 5784
==His Niggun: The Pilpul==
* '''Shneur Zalman Berger The Rebbe and the Attempt of His Father, Mother and Brother to Immigrate to the Holy Land • Rabbi Levi Yitzchak Schneerson's Immigration File and Israel Aryeh Leib Schneerson's Immigration File'''
{{See also|Niggun HaPilpul}}
* Rabbi Moshe Orenstein reveals: The niggun of Israel Aryeh Leib.
In 5783 [2023], Rabbi Moshe Ornstein revealed that the niggun Yisroel Aryeh Leib loved to sing regularly was [[Niggun HaPilpul]] — the Pilpul Melody.
* Reconstruction of R' Israel Aryeh Leib's archive
 
* Collection '''"13 Iyar - Seventy Years"''', published by the Union of Chassidim for Receiving Moshiach Tzidkeinu.
"Close to a quarter century ago, the Rosh Yeshiva Rabbi Moshe Ornstein revealed the personal diary of Mr. Yeshayahu Shar of blessed memory, who was a close friend of Yisroel Aryeh Leib, whose yahrzeit falls tonight. Selections from the diary were published at the time in the ''Kfar Chabad Weekly'', and it appeared again with additions from the original manuscript in the book ''Shanim Rishonos'', and was published a third time as an appendix to the book ''Abba'', Part Two. In the diary, which spans twenty-two pages, Mr. Shar describes, among other things, how Reb Leibel taught him the niggun of the Alter Rebbe — the first Chabad Rebbe — and asked him to 'preserve the niggun among the public.'"
* '''Mrs. Dalia Rotman, the Rebbe's niece, on the connections between her and her uncle - the Rebbe - COL website'''
 
* '''Life and Works of the Rebbe's Brother''' (English)
Over the years Rabbi Ornstein searched for the niggun, and by Divine Providence, in the days immediately before Yisroel Aryeh Leib's yahrzeit in 5783, a recording reached him — one that Mr. Shar had sent to the Rebbe but which had never arrived (it was returned to Shar). On the recording, Shar repeats the niggun and recounts that Reb Leibel had asked him to preserve it and spread it among the people. The niggun is the well-known Niggun HaPilpul, with several variants from the usual version. Reb Leibel had revealed to him that this was the niggun of the Alter Rebbe — something he had certainly heard at home.
* '''Journal of the Rebbe's conduct at the time of his brother's passing'''
 
* A rare letter written by the Rebbe after his brother's passing to Mr. Asa Paz who was one of his close friends
At a Rambam completion celebration held at the yeshiva in Netanya in those same days, Rabbi Ornstein revealed the story and the niggun. The students rose with great emotion and sang the niggun together, with some of the variations that Reb Leibel had apparently sung.<ref>"Reb Leibel's Niggun" — ''Beis Moshiach Weekly'', 14 Iyar 5783, p. 32.</ref>
* '''The Rebbe to Professor Rosenblum: "I had a brother younger than me"'''
 
* '''Shneur Zalman Berger, The Detailed Report of the Burial of the Rebbe's Brother, Beis Moshiach Weekly - Based on Eved Avraham Anochi'''
==His Photograph==
* '''Detailed review on matters of 13 Iyar with the Rebbe over the years''' (p. 12 and onwards)
In the month of Av 5782 [2022], a photograph was published which is claimed to show Yisroel Aryeh Leib. According to the publication, the photograph was taken in 1943 [5703] (when he would have been thirty-seven years old), at the wedding of his brother-in-law (Milgrom). The photograph has not been published by any authoritative Chabad body, and its identification therefore cannot be confirmed with certainty.
* '''Collection of Holy Responses - 13 Iyar'''
 
* '''Collection '13 Iyar' - Stories from his life and Mishnayos - Published by the Union of Chassidim'''
==His Family==
* '''13 Iyar Collection''' published by the Worldwide Temimim Students Committee
* '''Wife:''' Mrs. Devorah (Genia) Schneerson (buried in the new Chabad section of the Tzfas cemetery)
* '''"Aryeh-Leib" • How did the foreign name 'Leib' become a common Jewish name?''', an idea adapted from the Rebbe's talk regarding the name of Israel Aryeh Leib
* '''Daughter:''' Mrs. [[Dalia Rotman]], wife of Avner Rotman
* '''13 Iyar the Seventieth Year''', elegant booklet produced by the Union of Chassidim
* '''Grandchildren:''' Ariel Rotman (born 24 Elul 5735) and Daniel Yehoshua Rotman (born 7 Adar 5738)
* '''Understanding the Matter of 13 Iyar''', farbrengen with Rabbi Moshe Orenstein
* '''Brothers:''' [[The Rebbe]]; Reb [[DovBer Schneerson]]
* '''When the Rebbe Intervened in Changing His Brother's Tombstone'''
 
* Paris: Library inaugurated named after the Rebbe's brother
==Further Reading==
* Shalom Ber Shapiro, '''Notes and Anecdotes for the 70th Yahrzeit''' (English)
* ''Beis Moshiach Weekly'', issue 364 — an extensive survey of Yisroel Aryeh Leib Schneerson's life.
* '''The Rebbe's Confidant''' article about Rabbi Yechezkel Besser, who maintained a friendship with Israel Aryeh Leib
* Rabbi [[Gershon Mendel Garelik]] — ''HaTamim (Beis Moshiach)'', Iyar–Menachem Av 5764.
* '''The Wish of the Rebbe's Brother: 'To Perpetuate the Niggun in Public'''', on the website 'Moisture of Redemption'
* [[Naftali Tzvi Gottlieb]], '''[[Toldos Levi Yitzchak]]'''.
* '''Israel Aryeh Leib's Places of Residence Throughout the Years'''
* Rabbi [[Mordechai Menasha Laufer]], ''[[Yemei Melech]]'', vol. 1, chapter 3.
* '''Collection of Articles and Journals about Israel Aryeh Leib''', on the Or V'Chom HaHiskashrus Committee website
* [[Shneur Zalman Berger]], ''[[Eved Avraham Anochi]]'' — the funeral of Yisroel Aryeh Leib and the Rebbe's responses.
* '''Biography with Links to Expansions and Sources''' (English)
* "Temiya Gedola B'Einai" — in the ''Chayei Rebbi'' column — ''Kfar Chabad Weekly'', issue 1958, p. 34.
* '''Learning Collection and Podcast for the Yahrzeit Day''', published by the 'Yagdil Torah' organization (English)
* Rabbi [[Moshe Ornstein]], "A Moving Revelation: Reb Leibel's Niggun" — ''Beis Moshiach'', issue 1358.
* Rabbi Moshe Ornstein, "Reb Leibel's Niggun" — ''Kfar Chabad'', 13 Iyar 5783, issue 2007, pp. 39 ff.
* Rabbi [[Eliyahu Shveicha]], [http://teshura.com/teshurapdf/נקי-וורצוב%20-%20יט%20אדר%20תשפ.pdf Teshura Naki 5780] — "Yisroel Aryeh Leib, Member of the British Atomic Energy Authority."
* Rabbi Moshe Ornstein, ''Kfar Chabad'', Iyar 5783 — "The Brother Who Dedicated His Life to the Security of the Jewish People," pp. 44 ff.
 
==External Links==
* [https://chabadpedia.co.il/images/f/f8/כרע_כאח_לי_תולדות_ר_ישראל_אריה_לייב.pdf Biography of Reb Yisroel Aryeh Leib Schneerson] — published by the student shluchim of Yeshivas Chassidei Chabad Lubavitch Tzfas, yahrzeit 13 Iyar 5784
* Shneur Zalman Berger, [https://chabad.info/magazine/342310/ "The Rebbe and His Father's, Mother's, and Brother's Attempted Aliyah — The Immigration Files of Rabbi Levi Yitzchak Schneerson and Yisroel Aryeh Leib Schneerson"] — Chabad Info
* [https://chabad.info/news/934802/ Rabbi Moshe Ornstein Reveals: The Niggun of Yisroel Aryeh Leib] — Chabad Info
* [https://col.org.il/news/162923 Reconstructing the Archive of Reb Yisroel Aryeh Leib] — COL.org.il
* [https://www.chabad.org/library/article_cdo/aid/6885784/jewish/Assembling-the-Lost-Archive-of-Mark-Gurari.htm Eli Rubin, "Assembling the Lost Archive of Mark Gurari, the Rebbe's Brother"] — Chabad.org (English)
* [https://en.calameo.com/read/007023230bbb862d6d363 ''13 Iyar Seventy Years''] — published by Histadrut HaChassidim
* [http://www.col.org.il/show_news.rtx?artID=38164 Mrs. Dalia Rotman, the Rebbe's niece, on her relationship with her uncle the Rebbe] — COL.org.il
* [https://anash.org/the-life-and-works-of-the-rebbes-brother/ "The Life and Works of the Rebbe's Brother"] — Anash.org (English)
* [http://old2.ih.chabad.info/index.php?url=article_he&id=61509 Chronicle of the Rebbe's Conduct at the Time of His Brother's Passing] — Chabad Info
* [http://chabad.info/special/פרסום-ראשון-מכתב-נדיר-מהרבי-על-פטירת-אח/ A rare letter written by the Rebbe after his brother's passing, to Mr. Asa Paz, a close friend of Yisroel Aryeh Leib] — Chabad Info
* [https://chabad.info/video/rebbe/dailyvideo/669067/ "The Rebbe to Professor Rosenbloom: 'I Had a Younger Brother'"] — Chabad Info (video)
* Shneur Zalman Berger, [http://old2.ih.chabad.info/index.php?url=article_he&id=68627 "The Detailed Report from the Burial of the Rebbe's Brother"] — ''Beis Moshiach Weekly'', based on ''Eved Avraham Anochi'' — Chabad Info
* [https://drive.google.com/file/d/1ovX1A2Cy16sjD4kL9byhkRvNDqw88BaA/view?usp=sharing Detailed survey of 13 Iyar observances by the Rebbe over the years] (p. 12 ff.)
* [http://chabad.info/beis-medrash/ליקוט-מענות-קודש-בקשר-ליג-אייר/ Collection of the Rebbe's responses related to 13 Iyar]
* [http://old2.ih.chabad.info/images/notimage/46080_he_1.pdf ''13 Iyar'' — stories and Mishnayos] — published by Histadrut HaChassidim (PDF)
* [http://www.shturem.net/images/news/87984_news_19052016_6740.pdf ''13 Iyar'' kuntres] — published by Vaad Talmidei HaTmimim HaOlami
* [https://col.org.il/news/130634 "Aryeh-Leib How Did the Foreign Name 'Leib' Become a Common Jewish Name?"] — a developed thought from the Rebbe's sicha on the name of Yisroel Aryeh Leib, COL.org.il
* [https://chabad.info/beis-medrash/668619/ ''13 Iyar — The Seventieth Year''] — a beautifully produced booklet by Histadrut HaChassidim (PDF)
* [https://chabad.info/video/beis-medrash-video/התוועדויות/668726/ "Understanding the Matter of 13 Iyar"] — farbrengen with Rabbi Moshe Ornstein (video)
* [http://www.shturem.net/index.php?section=news&id=80096 "When the Rebbe Was Involved in Replacing His Brother's Matzevah"] — Shturem
* [https://anash.org/the-rebbes-brothers-homes-in-berlin-tel-aviv-and-liverpool/ "The Homes of Yisroel Aryeh Leib Through the Years"] — Anash.org
* [https://iggudhashluchim.com/templates/articlecco_cdo/aid/4707704/jewish/Hebrew-articles-and-Yomanim.htm A collection of articles and diaries about Yisroel Aryeh Leib] — Vaad Or VeChom HeHiskashrus
* [https://anash.org/resource-site-om-rebbes-brother-launched-his-yahrzeit/ Biography with links to sources and further reading] — Anash.org
 
<references/>


[[he:ישראל אריה לייב שניאורסון]]
[[he:ישראל אריה לייב שניאורסון]]

Revision as of 16:36, 4 June 2026

Template:Infobox person

Yisroel Aryeh Leib Schneerson (also known as Leibel, and at various times used the alias Mordechai (Mark) Guraria[1]; 21 Iyar 5666[2]13 Iyar 5712) was the brother of the Rebbe, and the son of the Gaon and Kabbalist Rabbi Levi Yitzchak Schneerson and Rebbetzin Chana Schneerson.

Life

Birth and Childhood

He was born on 21 Iyar 5666[2] in the city of Nikolayev, the youngest son of Rabbi Levi Yitzchak and Rebbetzin Chana Schneerson. He was named "Yisroel Aryeh Leib" after his maternal uncle, Rabbi Yisroel Leib Yanovsky, who had died young, and his great-great-grandfather, Rabbi Yisroel Leib Yanovsky, a rosh yeshiva in Romanovka, Kherson.[3] He was known by the affectionate name Leibel.

From childhood, extraordinary gifts were evident in him — he was self-taught, penetrating in his thinking, possessed of a genius-level memory, and a diligent and tenacious learner.

In the children's newspaper HaAch published at that time by Tomchei Temimim yeshiva, his name appears alongside his brothers — the Rebbe and DovBer Schneerson — as contributors on behalf of the yeshiva students. At the age of three, he could already recite Mishnayos by heart.[4] His mother frequently had to pull him away from his learning to eat, drink, and attend to other needs.[5] On one occasion, his father Reb Levi Yitzchak said of him: "He has the head of the Tzemach Tzedek."[6]

He first studied at the local Talmud Torah alongside other children, and at a certain point his father engaged a private tutor for his sons.

In 5675 [1915], his grandfather, Rabbi Baruch Schneor Zalman Schneerson, said to the Rebbe Rashab of Yisroel Aryeh Leib:

My son Levik has a young son who is on the path of an iluy — a prodigy — well-versed in Gemara and Midrash and capable of learning at a high level.

The Rebbe Rashab asked: "How old is he?" and the grandfather replied: "With G-d's help, he will turn nine before Shavuos."

Rabbi Yoel Kohn, who knew him in Tel Aviv, would recount that when Reb Levi Yitzchak, the Rebbe, and Yisroel Aryeh Leib were in conversation together, each spoke in a distinct voice: Reb Levi Yitzchak in the language and idiom of Kabbalah, the Rebbe in the language and idiom of Chassidus, and Yisroel Aryeh Leib in the idiom of philosophical inquiry.

He also recounts that Yisroel Aryeh Leib would pick up a matchbox and ask: what belongs here from the world of Atzilus — the highest spiritual realm — what from Atzmos — the innermost essence — and so on, applying the deepest categories of Kabbalistic thought to the most ordinary objects.

Young Adulthood

An announcement of a memorial gathering organized by the Histadrut HaChassidim organization (Iyar 5772)

During the Nine Days — from Rosh Chodesh Av through Tisha B'Av — he would complete an entire tractate of Gemara each day, having learned it through the night before.[7]

On one occasion a lively debate broke out in the family around the Kabbalistic concepts of Mem-Heh and Beis-Nun — two fundamental divine names with deep significance in Chabad Kabbalistic thought. The debate went on for several months. At a certain point Yisroel Aryeh Leib interjected that the entire discussion had been about these concepts only from the outside — but the inner essence of Mem-Heh and Beis-Nun was an entirely different matter — and he offered an explanation of them through the lens of philosophical inquiry.[8]

With the Rebbe Rayatz

In 5684 [1924], after the Rebbe Rayatz — Rabbi Yosef Yitzchak Schneerson, the sixth Chabad Rebbe — moved to Petersburg, Yisroel Aryeh Leib moved to the city as well, and for a period lived near the Rebbe Rayatz's home together with his brother (the Rebbe). The Rebbe Rayatz drew him close, and he would occasionally be received for private audiences — yechidus. During one such yechidus, he posed a question in the teachings of Chassidus, and the Rebbe Rayatz declined to answer, telling him it was not relevant to him. He left the yechidus shattered and broke into tears. Some time later he entered again, and without raising his earlier question, the Rebbe Rayatz turned to him on his own initiative and answered it. Coming out, Yisroel Aryeh Leib explained to the chassidim that in order to receive the explanation, he had first needed to reach a state of lev nishbar — a broken heart — and that was why the Rebbe Rayatz had initially withheld the answer.

Reb Leibel, as he was known, befriended and regularly conversed with Chabad chassidim in Leningrad, who would consult him on various matters in Jewish learning and practice. Yeshiva students from that period recall that he had the entire Hemshech Taf-Reish-Samach-Vav — the Rebbe Rashab's monumental chassidic discourse series of 5666 — by heart. During this period he also enrolled in regular university studies, while simultaneously assisting the Chabad organization Tiferes Bachurim in organizing Torah classes for students and young married men.

On the night of 5 Teves 5689 [1929], the Rebbe Rayatz told his son-in-law, the Rebbe, of a vision in which he had merited to hear Chassidus from the Rebbe Rashab together with Yisroel Aryeh Leib.[9]

In 5690 [1930], he left the Soviet Union and moved to Berlin. He crossed the border using the passport of "Mordechai (Mitya) Guraria" — a Chabad young man from Dnepropetrovsk who had drowned in the Dnieper River. From that point until the end of his life, he used the name Mordechai Guraria. While in Berlin, he fell ill with typhus, and the Rebbe and Rebbetzin — who were living in Berlin at the time — gave him a bed in their small apartment and cared for him until he recovered.[10]

In 5691 [1931], apparently following his brother (the Rebbe), he enrolled at the University of Berlin, where he studied for three years until 5693 [1933].

He then moved to Paris, where his brother the Rebbe was living. After a short time he resolved to make aliyah to Eretz Yisrael, for which he needed documents from Germany — where the Nazi regime was already in power. His sister-in-law, Rebbetzin Chaya Mushka Schneerson, volunteered with extraordinary mesirat nefesh to travel to Germany and obtain the required documents for him from the Nazi government offices.[11]

In Eretz Yisrael

At the beginning of 5695 [1935], with the help of Rabbi Chanoch Hendel Havlin, director of Yeshivas Toras Emes, and with the backing of the Rebbe Rayatz, Leibel — registered in the immigration documents under the name Mark Guraria — received a certificate of immigration to Eretz Yisrael. In the middle of 5695 he arrived and settled in Tel Aviv, where he worked as a clerk and librarian at the city library. He later opened a clothing shop (at 3 Nachalat Binyamin Street) — though some accounts say a book shop. According to another version of events, during these years he began working at the Weizmann Institute in Rehovot and is considered to have been its first scientist.[12]

On 30 Av 5699, he married Genia Roitman (born 25 Elul 5670, to Tzvi Hirsh Meir and Sara Milgrom of Lodz, then under Russian rule; her parents were murdered in the Holocaust in the Lodz Ghetto). Genia worked as a pharmacist at a Tel Aviv pharmacy.

The news of the wedding reached his parents in Chialy and brought them great joy.[13]

During his years in Tel Aviv, Yisroel Aryeh Leib would occasionally attend Chabad chassidic gatherings at the Nachalat Binyamin shul in Tel Aviv. He also studied Chassidus weekly in chavrusa — paired learning — with the mashpia (spiritual guide) Rabbi Nachum Goldschmid, whom he had known since childhood in Yekaterinoslav, and with Rabbi Pinchas Altheus, whom he had known since childhood in Nikolayev. Before leaving for England, he approached Reb Nachum Goldschmid and asked him to work toward having the Rebbe appointed as Rebbe.[14]

While at the Nachalat Binyamin shul, Rabbi Moshe Dubinsky and Rabbi Nachum Goldschmid would sometimes come to him with questions in Chassidus.[15]

In 5703 [1943], when the Rebbe published the Hayom Yom — the celebrated calendar anthology of Chabad teachings — he sent a copy to his brother Yisroel Aryeh Leib. After looking through it, he was overjoyed and said with wonder:

My brother sent me his first composition. It is a great pity that the world does not know what is hidden and contained within it.

On another occasion he said of the Hayom Yom:

I always knew my brother had a good head — but to this extent!

[14]

On 20 Cheshvan 5705, their only daughter, Dalia, was born.

After his passing, the Rebbe worked extensively on her behalf, and when she came to New York she was even hosted on the third floor of the Rebbe's home at 1304 President Street.[16]

On 13 Shevat 5710, he sent a telegram of condolences to the Rebbe's household on the passing of the Rebbe Rayatz.[17]

His Role in Atomic Research

Financial Support from the Rebbe Rayatz and the Rebbe

At the start of 5708 [1948], he planned to move to England to study at the University of Liverpool. In a letter from Kislev 5708, the Rebbe Rayatz blessed him and agreed to contribute to his expenses by way of a loan, to be channeled through Rabbi Moshe Guraria of Tel Aviv.[18]

At that time, the Rebbe also sent him funds through Rabbi Moshe Guraria of Tel Aviv, and through his brother Rabbi Shneur Zalman Guraria of Crown Heights, as is clear from a letter the Rebbe wrote to Rabbi Moshe Guraria:

14 Tammuz 5708... I received your letter of 11 Sivan... I had [already] transmitted to my brother, on my telegraphed instruction, fifty lirot, and afterward I asked his brother Rabbi Shneur Zalman [Guraria] to write to him at my request and give my brother a further fifty lirot. He has certainly fulfilled this request by now. Please let me know how much I owe Reb Shneur Zalman toward the total of the above.

The Purpose of the Journey to England: Various Accounts

The plan was initially delayed, and he traveled to England only some two years later — in the month of Iyar 5710 [1950], with the assistance of Shneur Zalman Shazar (then Minister of Education). He arrived in London on 21 Iyar and continued to the University of Liverpool. The purpose and circumstances of this journey have been described in several versions:

A post in the Charedi online forum Bhol (5771 [2011]) stated that Yisroel Aryeh Leib headed Israel's nuclear program: "He was among the leaders of Israel's nuclear project, and it was for this purpose that he was in England."[19]

The website HaGeula published (5776 [2016]): "Yisroel Aryeh Leib was sent to England together with other Jews in order to build a pool of nuclear scientists, with the aim of later producing atomic weapons for the defense of the Holy Land."[20]

Rabbi Yosef Ashkenazi published the following account in 5777 [2017] in his book HaRav Ashkenazi: "His friend Rabbi Nachum Goldschmid related: Knesset member Yonah Kesse had known Reb Leibel well from Yekaterinoslav. He told Prime Minister David Ben-Gurion of Reb Leibel's genius, suggesting that the state send him abroad to study science, so that the knowledge he acquired could be used upon his return to elevate the standing of these fields in Israel. The university agreed to accept him and grant him a scholarship. The State of Israel funded his airfare."[21]

Rabbi Eliyahu Shveicha published a different version in 5780 [2020]: his childhood friend, Knesset member Yonah Kesse, once encountered him on a Tel Aviv street and asked how he was managing. In response, Yisroel Aryeh Leib lowered his eyes and, with characteristic and extraordinary modesty, mentioned that he had sent an article on nuclear physics to the British Atomic Energy Authority, and that based on the article alone, he had been invited there. He indeed traveled, and was accepted as a scientist and member of that distinguished committee. Yonah Kesse noted with admiration the unassuming way in which Yisroel Aryeh Leib told him this — he had practically had to pry it out of him — and the remarkable fact that despite having no formal training in the field, he had written an article on the subject and been accepted to the committee on the basis of that article alone.[22]

A further account was published by Rabbi Moshe Ornstein, Rosh Yeshiva of Tomchei Temimim Netanya, in 5783 [2023], drawing on diary entries and recordings of Yeshayahu Shar — who in his youth was a frequent guest in the home of Rabbi Levi Yitzchak Schneerson and a friend of the sons, including the Rebbe and Yisroel Aryeh Leib.[23] From this material — combined with information published in Toldos Levi Yitzchak, Igros Kodesh, and the Teshura Naki 5780 — it emerges that Yisroel Aryeh Leib was the first scientist to work at the Weizmann Institute of Science in Rehovot, and that his aliyah to Eretz Yisrael was connected to this purpose. He was invited by the Weizmann Institute to join its inaugural staff.[24] In a 1969 recording, Yeshayahu Shar said that Yisroel Aryeh Leib was "one of the important figures whom Ben-Gurion sent to England in connection with the atom."[25] In light of all of this, it is reasonable to conclude that the article Yisroel Aryeh Leib sent to the British Atomic Energy Authority was cover for the real purpose: the security of the State of Israel and the development of its nuclear capabilities.[26]

He remained in England for only about two years before passing away from cardiac complications. The precise body under whose auspices he operated, and what information he conveyed in connection with the atom, remain unknown. Much remains hidden.

His Scientific Work

His mathematical manuscript was given by the Rebbe to Professor Pesach Rosenbloom of Minnesota to prepare for publication, which Professor Rosenbloom did — without knowing who the author was. At the farbrengen of 10 Shevat 5735 [1975], when the professor came to the Rebbe and brought the published work with him, the Rebbe revealed to him that these were the writings of his brother who had passed away. Among other things, the Rebbe told him that Reb Yisroel Aryeh Leib had loved to write things from his own understanding — he was deeply independent in his thinking — and only afterward would he search for sources to support what he had written.[27]

After the work's publication, the Rebbe wrote a letter to Professor Rosenbloom which reads in part (free translation from English): "First of all, I want to thank you again, dear Dr. Rosenbloom, for the effort, attention, and love you invested in the work of preparing my late brother's manuscript for print. Although its contents are not exactly my field, the effort and devotion you invested are very apparent. I also wish to thank you in advance for the continuation of your work on this matter, to print it in the proper manner, as it is your field."

In 5781 [2021], additional notebooks of Yisroel Aryeh Leib containing mathematical writings were discovered and transferred to a team of researchers to decipher.[28]

Passing

After a period during which he fell ill several times,[29] on 13 Iyar 5712, he passed away in Liverpool from a heart attack, at the age of forty(-six).[30][31]

Burial

On the day of his passing, Chabad chassidim in England received a telegram from the Rebbe: "My brother in Liverpool has passed away" — and the Rebbe asked them to see to all the necessary arrangements (tahara, funeral, etc.), and that he would cover all expenses. The Rebbe initially intended to travel to England himself to attend the funeral, but he canceled the plan out of concern that the commotion his arrival would cause might reach the ears of his mother Rebbetzin Chana — from whom the Rebbe took care to conceal his brother's passing, given her age and all she had already suffered.[32]

The Rebbe instructed Rabbi Ben Zion Shemtov to handle the funeral arrangements and the transfer of the body to Eretz Yisrael.

The bochurim of Tomchei Temimim yeshiva in Manchester were dispatched to assist with the tahara. The group included Rabbi Yitzchak Dubov, Rabbi Ben Zion Shemtov, Shalom DovBer Gurkov and his brother Shmuel Dovid Gurkov, Avraham Shemtov, and Shalom DovBer Futerfas. After the tahara a funeral was held in Liverpool, from where the coffin was transported to Manchester and arrived in London on Erev Shabbos. There it remained in the home of the Gurkov family — which also hosted the local Chabad minyan — for the duration of Shabbos, with watches maintained over the coffin throughout. At the time of the transfer to the ship, a large and dignified funeral was held attended by all of Anash in London.

When the coffin arrived in Marseille, France, another large funeral was held attended by Anash from Paris. From there it continued to Patria, and then by ship to Eretz Yisrael.

Transfer to Eretz Yisrael

The Rebbe sent a telegram to the members of Agudas Chassidei Chabad in Eretz Yisrael, asking them to receive the coffin at the Haifa port and attend to the burial. On the day of arrival, members of Aguch traveled to receive it, among them: Rabbi Pinchas Altheus, Rabbi Eliezer Krasik, Rabbi Moshe Guraria, and truck driver Baruch Goffin. They were joined by several Chabad chassidim from Kfar Chabad. The iron coffin was lifted by crane from the ship to the truck, and from there they traveled to the old cemetery in Tzfas, where the local Chevra Kadisha were already present to attend to the burial, along with a Chabad minyan. The Rebbe conveyed detailed instructions to Rabbi Moshe Guraria on how to conduct the tahara, burial, and related matters — more than thirty points in all.[33]

A few days after the burial, the Rebbe sent letters of thanks to those who had attended to the arrangements, among them Rabbi Yitzchak Dubov, Rabbi Ben Zion Shemtov, Rabbi Eliezer Krasik, and Rabbi Pinchas Altheus.

The burial is described in the book Eved Avraham Anochi:

In his letter of 20 Iyar, the Rebbe wrote to Rabbi Krasik, chairman of Agudas Chassidei Chabad: "I sent you a telegram today regarding the funeral. I await a detailed letter of what was done, and may G-d help us that we should serve one another only for good and joyous occasions, always and all our days."

Rabbi Krasik wrote to the Rebbe on Motzaei Shabbos Behaaloscha [the night of 15 Sivan] 5712:

At around eight in the morning, a number of us came to Haifa, arriving almost exactly as the ship came into port. We began attending to the lowering of the coffin, and in the meantime the Temimim and Anash arrived — about sixty men from Tel Aviv, Lod, and Jerusalem. By around two o'clock we had loaded the coffin onto the truck and set out immediately for Tzfas. In Tzfas the grave was already prepared, needing only some adjustments, and by around five we had removed the body from the coffin, interred it, and the stone was set.

In his letter of 3 Sivan, the Rebbe thanked the leadership of Agudas Chassidei Chabad: "And for this above all I have come — to thank you, from the depths of my heart, for attending to the funeral of my brother of blessed memory as it should be. And may it be G-d's will that from this point forward we should serve one another only for joyous and healthy things."

The Rebbe Recites Kaddish

Yisroel Aryeh Leib left no one who could say Kaddish after him, and the Rebbe recited Kaddish for him at all three daily prayers on his yahrzeit.

Concealing the Passing from His Mother

The Rebbe took care to conceal the fact of Yisroel Aryeh Leib's passing from his mother, Rebbetzin Chana, so that her health would not be undermined by the news of her son's death.[34] During the days of shiva, the Rebbe continued visiting her daily as was his custom, and even composed letters in his brother's name and mailed them to his mother from the address "Yisroel Aryeh Leib." This practice continued until the day of Rebbetzin Chana's own passing, 6 Tishrei 5725.

Pilgrimages to His Grave

Chabad chassidim visiting the grave of Yisroel Aryeh Leib on his yahrzeit (Iyar 5769)
The Rebbe's response to Chabad chassidim in Tzfas who visited the grave. The Rebbe's secretary wrote: "Rabbi Levi Bistritsky of Tzfas requests to convey that today, 13 Iyar, the majority of Anash in Tzfas visited the cemetery, recited Tehillim, and gave tzedakah for the yahrzeit of 13 Iyar." After the words "requests to convey," the Rebbe wrote: "Many thanks, many thanks." At the end of the note, the Rebbe wrote: "May it be G-d's will that all the prayers be accepted within the prayers of all the Jewish people, 'and all shall be fulfilled.'"

Beginning in 5730 [1970],[35] Chabad chassidim began making pilgrimage to Reb Yisroel Aryeh Leib's grave on his yahrzeit. In 5765 [2005], the Histadrut HaChassidim organization began arranging convenient access to the site and organizing a central prayer gathering.[36] By the yahrzeit of 5783, tens of thousands visited the grave and the gathering space constructed by the Histadrut HaChassidim.[37]

To the students of Yeshivas Toras Emes in Jerusalem who visited the grave on the yahrzeit in 5750 [1990] and studied the maamar published for 13 Iyar, the Rebbe responded: "Received, and many thanks — may they be at ease, etc. And the present time is Pesach Sheni, Lag B'Omer, may they increase in holiness."[38]

When Rabbi Levi Bistritsky, the Rav of Tzfas, reported to the Rebbe that the Chabad chassidim of Tzfas had ascended on the yahrzeit to the grave of Yisroel Aryeh Leib, recited Tehillim, and gave tzedakah, the Rebbe replied:

Many thanks, many thanks... May it be G-d's will that all the prayers be accepted within the prayers of all the children of Israel, "and all shall be fulfilled."

The Rebbe's Ongoing Care for the Grave

The matzevah lies horizontally, which is not the usual practice. Rabbi Pinchas Altheus wrote to the Rebbe about this on 21 and 22 Elul 5714, and the Rebbe replied on 4 Tishrei 5715:

Regarding what you write that it was placed lengthwise along the body rather than at the head — if there are other matzevos arranged this way, it should be left as is; but if not, one should not deviate from the custom of this cemetery. If it cannot be otherwise, a new matzevah should be made and set up like the other matzevos. However, it sets my mind at rest that you write that many matzevos in Tzfas are arranged this way.

— Igros Kodesh, vol. 10, letter 2,967

The Rebbe attended personally to the condition of the grave over the years and would at times ask visitors whether anything required repair.

On 11 Av 5731 [1971], before a journey by Rabbi Yitzchak Dovid Groner, he was called into the Rebbe's study. Among other things, the Rebbe asked where he would be around 20 Menachem Av.[39] When he replied that he would be in Eretz Yisrael, the Rebbe said to him in tears:

I have a brother who lies [buried] in Teverya[40] — go there and see whether the matzevah needs repair, and place there a note.

Rabbi Groner indeed visited the grave on 20 Menachem Av and placed a letter there requesting that the Rebbe be in good health, that he lead all of Israel to the Redemption, that the Who is a Jew controversy be resolved, and that the Rebbe's wishes be fulfilled. On his return, he wrote a detailed report to the Rebbe.[41]

In the summer of 5733 [1973], the Rebbe wrote in response to a report by Rabbi Dovid Raskin from his visit to Eretz Yisrael: "The matzevah of my brother of blessed memory — does it need any repair?"

Commemoration

Many in Anash have named their sons after him, and among them there were those to whom the Rebbe expressed gratitude for doing so.

Mr. Yaakov Cohen, who served as mayor of Kiryat Ono, was among his close friends and decided to honor his memory by establishing a Talmud Torah in his city in his name. He told the Rebbe of this during a yechidus, and as the cornerstone-laying ceremony approached — scheduled for Lag B'Omer 5724 — he asked the Rebbe to send a representative. The Rebbe dispatched Rabbi Shmuel Chafer, explaining that his father-in-law, Rabbi Chaim Yosef Rosenbloom, had known Yisroel Aryeh Leib from his time in Russia and then in Eretz Yisrael, and was therefore the most fitting person to attend.[42] In a letter to Rabbi Chafer, the Rebbe wrote that he would surely be honored to address the gathering and should use that opportunity in the appropriate spirit.[43]

Gemach funds called Keren Yisroel Aryeh Leib were established in his memory in Crown Heights and in Tzfas.

The RIAL Institute was established in his memory (the acronym of his given name — Yisroel Aryeh Leib),[44] under the direction of Rabbi Professor Shimon Silman, a mathematics specialist and faculty member of Touro College in New York. The organization operates a special research fund and holds an annual Jewish science conference exploring the concrete expression across various scientific disciplines of the unfolding process of the Redemption.[45]

In Kfar Chabad there is a synagogue bearing his name.

The Rebbe's Words About His Brother

By the Rebbe's instruction, the following titles were inscribed on his matzevah and in the dedication on the back cover of the Dvar Malchus 12 kuntres which the Rebbe distributed: "the distinguished and pious, a G-d-fearing man, of fine and elevated character."

In the years 5721, 5725, 5738, 5745, and 5747,[46] the Rebbe delivered maamarim of Chassidus specifically for the yahrzeit of his brother.

On several occasions the Rebbe explained the significance of each of his three names — "Yisroel," "Aryeh," and "Leib" — and the lessons in divine service to be drawn from them: in the talks of Shabbos Parshas Acharei-Kedoshim, 13 Iyar 5745; Pesach Sheni 5747; and Shabbos Parshas Acharei-Kedoshim, 13 Iyar 5751.[47] In the last of these,[48] the Rebbe explained:

  • Yisroel — an acronym for Yesh Shishim Ribbo Osios LaTorah — "there are six hundred thousand letters in the Torah," corresponding to the six hundred thousand root-souls of Israel. The lesson: every Jew must remember that the source of his vitality is the Torah, and he must conduct himself accordingly.
  • Aryeh — meaning lion — expresses strength and perseverance. The lesson is drawn from the Mishnah in Pirkei Avos:[49] "Be strong as a lion to do the will of your Father in Heaven" — to overcome whatever obstacles stand in one's path in the service of G-d.
  • Leib — the Yiddish word for lion, cognate with Aryeh — conveys that this same strength and perseverance must extend to the dimension of divine service that engages the material and physical world.

In 5752 [1992], the editorial staff of Otzar HaChassidim published the kuntres 13 Iyar — Forty Years to mark the fortieth year since his passing, containing biographical outlines, sichos and maamarim of the Rebbe related to the yahrzeit, and more. On the night of 10 Iyar, the Rebbe saw the kuntres and expressed visible satisfaction, leafing through it and looking at every page; at the end he studied the dedication.[50]

His Niggun: The Pilpul

In 5783 [2023], Rabbi Moshe Ornstein revealed that the niggun Yisroel Aryeh Leib loved to sing regularly was Niggun HaPilpul — the Pilpul Melody.

"Close to a quarter century ago, the Rosh Yeshiva Rabbi Moshe Ornstein revealed the personal diary of Mr. Yeshayahu Shar of blessed memory, who was a close friend of Yisroel Aryeh Leib, whose yahrzeit falls tonight. Selections from the diary were published at the time in the Kfar Chabad Weekly, and it appeared again with additions from the original manuscript in the book Shanim Rishonos, and was published a third time as an appendix to the book Abba, Part Two. In the diary, which spans twenty-two pages, Mr. Shar describes, among other things, how Reb Leibel taught him the niggun of the Alter Rebbe — the first Chabad Rebbe — and asked him to 'preserve the niggun among the public.'"

Over the years Rabbi Ornstein searched for the niggun, and by Divine Providence, in the days immediately before Yisroel Aryeh Leib's yahrzeit in 5783, a recording reached him — one that Mr. Shar had sent to the Rebbe but which had never arrived (it was returned to Shar). On the recording, Shar repeats the niggun and recounts that Reb Leibel had asked him to preserve it and spread it among the people. The niggun is the well-known Niggun HaPilpul, with several variants from the usual version. Reb Leibel had revealed to him that this was the niggun of the Alter Rebbe — something he had certainly heard at home.

At a Rambam completion celebration held at the yeshiva in Netanya in those same days, Rabbi Ornstein revealed the story and the niggun. The students rose with great emotion and sang the niggun together, with some of the variations that Reb Leibel had apparently sung.[51]

His Photograph

In the month of Av 5782 [2022], a photograph was published which is claimed to show Yisroel Aryeh Leib. According to the publication, the photograph was taken in 1943 [5703] (when he would have been thirty-seven years old), at the wedding of his brother-in-law (Milgrom). The photograph has not been published by any authoritative Chabad body, and its identification therefore cannot be confirmed with certainty.

His Family

  • Wife: Mrs. Devorah (Genia) Schneerson (buried in the new Chabad section of the Tzfas cemetery)
  • Daughter: Mrs. Dalia Rotman, wife of Avner Rotman
  • Grandchildren: Ariel Rotman (born 24 Elul 5735) and Daniel Yehoshua Rotman (born 7 Adar 5738)
  • Brothers: The Rebbe; Reb DovBer Schneerson

Further Reading

  • Beis Moshiach Weekly, issue 364 — an extensive survey of Yisroel Aryeh Leib Schneerson's life.
  • Rabbi Gershon Mendel GarelikHaTamim (Beis Moshiach), Iyar–Menachem Av 5764.
  • Naftali Tzvi Gottlieb, Toldos Levi Yitzchak.
  • Rabbi Mordechai Menasha Laufer, Yemei Melech, vol. 1, chapter 3.
  • Shneur Zalman Berger, Eved Avraham Anochi — the funeral of Yisroel Aryeh Leib and the Rebbe's responses.
  • "Temiya Gedola B'Einai" — in the Chayei Rebbi column — Kfar Chabad Weekly, issue 1958, p. 34.
  • Rabbi Moshe Ornstein, "A Moving Revelation: Reb Leibel's Niggun" — Beis Moshiach, issue 1358.
  • Rabbi Moshe Ornstein, "Reb Leibel's Niggun" — Kfar Chabad, 13 Iyar 5783, issue 2007, pp. 39 ff.
  • Rabbi Eliyahu Shveicha, Teshura Naki 5780 — "Yisroel Aryeh Leib, Member of the British Atomic Energy Authority."
  • Rabbi Moshe Ornstein, Kfar Chabad, Iyar 5783 — "The Brother Who Dedicated His Life to the Security of the Jewish People," pp. 44 ff.

External Links

  1. This was the name of a Chabad young man who drowned, whose passport Yisroel Aryeh Leib used due to persecution in the Soviet Union. He used the name because he was on the secret police's list of known activists and did not want to be identified.
  2. 2.0 2.1 In Rebbetzin Chana's Reshimas Zichronos, booklet 29, she writes in her own words that her son was born at the end of the month of Iyar: "End of the month of Iyar 5710 — not long ago was the birthday of our youngest son." And in Rabbi Berel Schneerson's notes, p. 68, it is recorded that Yisroel Aryeh Leib's grandfather — the author of those notes — told the Rebbe Rashab that at the end of Iyar 5675, his son Reb Levik's youngest son would turn nine. From all of the above it follows that Yisroel Aryeh Leib was born at the end of Iyar 5666. This is consistent with the records of the local archive of Nikolayev, where it is recorded that he was born on 21 Iyar 5666. However, in Sefer HaMaamarim Melukat, vol. 5, in the prefatory remarks to the maamar "Acharei Kedoshim — 13 Iyar 5721," it states that he was born on 3 Sivan 5669. For a full discussion and refutation of the alternative dates, see the book Shanim Rishonos, p. 541.
  3. Toldos Levi Yitzchak, vol. 2, p. 395.
  4. Told by Rabbi Nachum Gorlenik, who as a young man was invited in 5672 [1912] by the Rebbe's father, Rabbi Levi Yitzchak Schneerson, to visit his home. There he saw Yisroel Aryeh Leib bent over a book with his head resting in his arms throughout the entire visit, not once raising his head. Reb Nachum assumed it was some sort of game, until it became clear to him that the child had been learning Mishnayos the whole time.
  5. Told by Rabbi Simcha Gorodetzky — Rebbetzin Chana once called him over specifically to show him her son's diligence. She called him once, twice, and he did not respond even when she tugged at his sleeve.
  6. Original in Yiddish: "Er hot dem Tzemach Tzedek's kop."
  7. Told by Rabbi Simcha Gorodetzky, who witnessed him learning through entire nights.
  8. Told by his mother, Rebbetzin Chana Schneerson.
  9. Sefer HaSichos 5689, pp. 65–66.
  10. Told by Shalom DovBer Guraria.
  11. Yemei Melech, vol. 1, pp. 392–393.
  12. Kfar Chabad, Teshura Naki.
  13. "It was a twofold and redoubled joy — first word from our youngest son, a sign of life, and the glad tidings of a wedding. It was a glimmer of light breaking through the darkness of our exile, a spark of encouragement and hope for the future." — From the memoirs of Rebbetzin Chana.
  14. 14.0 14.1 Rabbi Ashkenazi, p. 159.
  15. Kfar Chabad Weekly, Mendi Kurtz, "The Diligent Scholar of the Catskill Mountains," issue 2122, p. 41, 5785.
  16. Beis Moshiach Weekly, issue 730, p. 31.
  17. Yemei Melech, vol. 1, p. 70; see also his letter to Rebbetzin Chana.
  18. Toldos Levi Yitzchak, new edition, vol. 2, p. 147; Igros Kodesh of the Rebbe Rayatz, vol. 13, p. 455.
  19. The thread on the Bhol forum.
  20. HaGeula website.
  21. Rabbi Mordechai Shmuel Ashkenazi in a video interview for JEM. HaRav Ashkenazi, 5777, p. 165, citing Rabbi Nachum Goldschmid.
  22. Rabbi Eliyahu Shveicha, Teshura Naki 5780, p. 21 — "Yisroel Aryeh Leib, Member of the British Atomic Energy Authority."
  23. Selections from Yeshayahu Shar's diaries were published by Rabbi Ornstein in Kfar Chabad; in subsequent years, most of the Chabad-relevant material was published in the book Shanim Rishonos. It should be noted that on several stories, clarifications have been issued that they are not fully accurate — for instance, Shar records that Rebbetzin Chana appeared to be a relative of the author Achad HaAm, which is incorrect; it was her husband, Rabbi Levi Yitzchak, who had a very distant connection to Achad HaAm. This suggests that these memoirs, written long after the events, contain some inaccuracies, and should be relied upon accordingly.
  24. Kfar Chabad, issue 2007, 13 Iyar 5783, p. 50, based on the testimony of Mrs. Tzvia Greenspan, wife of Professor Ehud Greenspan, former member of the Atomic Energy Authority.
  25. Kfar Chabad, issue 2007, p. 46, from Shar's recording.
  26. Kfar Chabad, issue 2007, pp. 46, 50.
  27. "The Rebbe to Professor Rosenbloom: 'I Had a Younger Brother'" — Chabad Info.
  28. "Reconstructing the Lost Archive of the Rebbe's Brother, Reb Yisroel Aryeh Leib" — COL.org.il.
  29. Based on a letter of the Rebbe dated 4 Sivan 5712.
  30. See note 2 above regarding the date of birth.
  31. Shortly before the passing, the Rav of Liverpool spoke with him for about two hours. The details of the conversation were kept confidential — the Rav agreed to reveal them only to the Rebbe himself. According to Rabbi Moshe Ornstein, the conversation appears to have concerned Yisroel Aryeh Leib's role in the production of the atomic bomb. See Kfar Chabad, issue 2007, p. 50.
  32. According to the recollection of the Rebbe's secretary, Rabbi Yehuda Leib Groner — Beis Moshiach Weekly, issue 1211.
  33. Told by Rabbi Gershon Mendel Garelik — HaTamim (Beis Moshiach), Iyar–Menachem Av 5764, p. 8.
  34. "How the Rebbe Concealed His Brother's Passing from His Mother — A Fascinating Chronicle" — Chabad Info.
  35. According to the instruction conveyed by Reb Chaim Mordechai Aizik Chodakov to Reb Efraim Wolf.
  36. "Prayer gathering at the grave of the Rebbe's brother, organized by Histadrut HaChassidim (Iyar 5771)."
  37. Beis Moshiach, issue 1359.
  38. Told by Reb Avraham Sternberg.
  39. The day of the passing of their father, Rabbi Levi Yitzchak.
  40. So said the Rebbe, even though Yisroel Aryeh Leib is buried in Tzfas.
  41. Teshura for the Telsner-Goldschmidt wedding, 5774.
  42. Igros Kodesh, vol. 23, letter 8,814.
  43. Teshura Chafer, 5775.
  44. Beis Moshiach Weekly, issue 1358, pp. 42–47 — interview with Professor Rabbi Shimon Silman, about his life story and the RIAL Institute.
  45. Report from the 5770 conference — Chabad in Israel.
  46. From a sicha on Pesach Sheni.
  47. And similarly, more briefly, in the sicha of 15 Iyar 5751, after Mincha.
  48. Sicha of 13 Iyar 5751 (PDF).
  49. Chapter 5, Mishnah 20.
  50. From a letter written at the time by one of the editors of the kuntres, Rabbi Menachem Mendel Feller — published in Kovetz Hearos UBiurim BeToras K"K Admur Shlit"a, issue 40, p. 18.
  51. "Reb Leibel's Niggun" — Beis Moshiach Weekly, 14 Iyar 5783, p. 32.