1150 - 1217 (13 Adar 4978) JUDAH BEN SAMUEL, THE PIOUS (Ha-Chassid)
A Tosafist, known for his books on mysticism and ethics, including Sefer Hassidim (Book of the Pious). He was considered one of the most important scholars of his time. Ben Samuel was a descendent of the Kalonymos family of Italy. He linked talmudic lore from Babylon and Italy to Germany. Among his students was Eleazar b. Judah of Worms (1165). Though a prolific writer in theology and ethics, few of his works survived.