1125 - 1198 ABRAHAM BEN DAVID OF POSQUIURES (France)
Leading French talmudist and director of one of the most influential talmudic schools of his day. Known as the Ravad (there was at least one person known as the Ravad before him), he earned the name Baal Hasagot (the Master of Critiques). He composed commentaries on talmudic texts which had been mostly ignored up to his day, as well as the Mishna, Sefrei and Mekhilta. He wrote extensive and definitive halachic commentaries and criticism on Alfasi and Maimonides, the latter of which is used as an accompanied textual commentary in all additions.