American rabbi; born at Neustadt-Schirwindt, Poland, Aug. 5, 1848. He received his Talmudical education at Volozhin and Eiseshok, and studied at the universities of Berlin, Königsberg (where he was editor of the "Jüdische Grenzbote"), and Greifswald (Ph.D.). After successively occupying rabbinates at Mewe, Kempen, Kalisz, and Lodz, he went to the United States, where he assumed the rabbinate of the congregation at Elmira, N. Y., and later of the Congregation Gates of Hope, New York city. At present (1905) he officiates at the People's Synagogue. Radin is especially concerned in the care of Jewish prisoners.