Rabbi Shlomo ben Adret, known to his student by the acronym of his name Rashba, was one of the most brilliant Talmudists of medieval Spain. Student of Nachmanides (Ramban) and teacher to the Ritva, his writings are studied to the present day. Part of the Jewish Biography as History series by Dr. Henry Abramson, more available at www.henryabramson.com. This is the edited version of the Rashba lecture, cutting out some of the quiet time.