Benjamin Hirsch Auerbach (born at Neuwied in 1808; died at Halberstadt, September 30, 1872) was a German rabbi and one of the most prominent leaders of modern Orthodox Judaism.Benjamin received his first instruction from his father, subsequently studying at the yeshibot of Krefeld and Worms. Well equipped with Talmudic learning he entered the University of Marburg, where he studied from 1831 to 1834.