Overview
Walter Joseph Ciszek, S.J. was a Polish-American Jesuit priest of the Russian Greek Catholic Church who clandestinely conducted missionary work in the Soviet Union between 1939 and 1963.
Walter Joseph Ciszek, S.J. was a Polish-American Jesuit priest of the Russian Greek Catholic Church who clandestinely conducted missionary work in the Soviet Union between 1939 and 1963.