Born in 1930 in the Ukraine, he became an ardent Zionist with the formation of Jewish State in 1948. In 1968 he became a member of an underground Zionist organization in Leningrad, where he studied Hebrew, the history of the Jewish people and the history of Israel. In 1970 he was elected to the Committee of this organization, and in the same year was arrested on the charge of Zionist activities and of the desire to emigrate to Israel. In 1971, at the 2nd Leningrad trial, he was sentenced to 5 years imprisonment which spent in the prisons of Pot'ma and Mordovia and in various camps in the Gulag. As a result of international pressure he was released in 1975 and got to Israel that same year. Kosharovsky website