Haym Soloveitchik is an American Modern Orthodox rabbi and historian. He is the only son of Rabbi Joseph B. Soloveitchik. He graduated from the Maimonides School which his father founded in Brookline, Massachusetts and then received his B.A. degree from Harvard College in 1958 with a major in History. After two years of post-graduate study at Harvard, he moved to Israel and began his studies toward an M.A. and PhD at the Hebrew University in Jerusalem, under the historian Professor Jacob Katz. He wrote his Master's thesis on the Halakha of gentile wine in medieval Germany. His doctorate, which he received in 1972, concentrated on laws of pawnbroking and usury. He is known to many as Dr. Gra"ch, after his great-grandfather for whom he is named, Rabbi Chaim Soloveitchik, who was known as the Gra"ch.

Joseph Ber Soloveitchik was a major American Orthodox rabbi, Talmudist, and modern Jewish philosopher. He was a scion of the Lithuanian Jewish Soloveitchik rabbinic dynasty.