Years: 1898–1974
Primary city: Jerusalem
Rabbi Menachem Mendel Yosef Zaks was a Rosh Yeshiva at the Raduń Yeshiva, founded by the Chofetz Chaim, and later served on the faculty of RIETS in New York. As a son-in-law of the Chofetz Chaim, he helped transmit his father-in-law’s teachings and the Raduń tradition. He spent his later years in Yerushalayim, continuing his Torah study.