Shneerson Yosef-Yitzchok (1880, Lyubavichi, Orsha District, Mogilev Governorate – 1950, New York), rabbi. Son of Sh.-D.-B. Shneerson. In 1920 he became head of the Chabad-Lubavitch movement. He organized and led an underground network of Jewish religious education.
He created a network of Lubavitch yeshivas in various cities of the USSR. In 1921, on his initiative, the “Tomchei Tmimim” yeshiva was established in Warsaw. From 1924 he was based in Leningrad. In 1927 he was arrested and sentenced to death. He was soon released. In 1927–34 he was in Latvia, and in 1934–40 in Poland. From 1940 he was in the US. While continuing to direct the activity of the Lubavitch movement in Russia, he established a network of Jewish religious education in the US. He founded a Hasidic publishing house, which became the world's largest publisher of Jewish religious literature. In 1948, on his initiative, the settlement of Kfar Chabad was established in Israel. He authored many books on the philosophy of Hasidism.

Works: Memoirs of the Lubavitcher Rebbe. New York, 1974; Notes on the Arrest. New York, 1980.

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