Saul Lieberman

Saul Lieberman (; May 28, 1898 – March 23, 1983), also known as Rabbi Shaul Lieberman or, among some of his students, the ''Gra״sh'' (''Gaon Rabbeinu Shaul''), was a rabbi and a Talmudic scholar. He served as Professor of Talmud at the Jewish Theological Seminary of America (JTSA) for over 40 years, and for many years was dean of the Harry Fischel Institute for Talmudic Research in Israel and also president of the American Academy for Jewish Research. Provided by Wikipedia