Rav Aharon Lichtenstein served as the co-Rosh Yeshiva of Yeshivat Har Etzion in Alon Shvut, Israel, as well as RIETS Rosh Yeshiva and inaugural Rosh Kollel of the Gruss Institute. The son-in-law of Rav Soloveitchik, Rav Lichtenstein assumed the role as his generation's esteemed Torah U'Madda personality. He held a doctoral degree is English from Harvard University, and served on the faculty of YU in New York before making aliya in 1971.