Moshe Feinstein

Moshe Feinstein was a Russian-born American Orthodox Jewish rabbi, scholar, and posek. He has been called the most famous Orthodox Jewish legal authority of the 20th century and his rulings are often referenced in contemporary rabbinic literature. Feinstein served as president of the Union of Orthodox Rabbis, chairman of the Council of the Moetzes Gedolei HaTorah of the Agudath Israel of America, and head of Mesivtha Tifereth Jerusalem in New York.