KLAVAN, ISRAEL (1915–1980), U.S. Orthodox rabbi. Klavan, who was born in Zazkevich, Lithuania, was raised in Burlington, Vermont, where his father was a rabbi. He was ordained at Yeshiva University (1940). Klavan served as rabbi of congregations in Fitchburg, Massachusetts (1940–42), Williamsport, Pennsylvania (1942–46), and Mount Vernon, New York (1946–53). He became executive secretary of the Rabbinical Council of America in 1950 and later executive vice president.