KAHAN, BARUCH MORDECAI (pseudonym P. Virgily; 1883–1936), Bundist, born in Mogilev, Belorussia. His father Isaac, a wealthy Ḥasid, was the brother of Mordecai b. Hillel *Hacohen. Kahan, who studied in a yeshivah, joined the *Bund in Gomel, Belorussia, at the age of 18, becoming a professional revolutionary. In 1905 he helped to lead Jewish self-defense during the pogrom in Zhitomir and was one of the leaders during the revolution in *Lodz. He served as a reporter for the Bundist press. In the wake of a religious crisis, he returned to religion for a short time and worked as a simple laborer. He rejoined the Bund during World War I and in 1917 became a member of the Petrograd Soviet Workers' and Soldiers' Council. Between the two world wars he lived in Vilna, was active in ORT and YIVO and in Jewish education,
LNYL, 4 (1961), 312–4; I.S. Hertz (ed.), Doyres Bundistn (1956), 391–401.