Jacob ben Asher

Jacob ben Asher
Personal
Born	c. 1269 Cologne, Holy Roman Empire
Died	c. 1343 Toledo, Castile
Religion	Judaism
Parent	Asher ben Jehiel (father)

Jacob ben Asher (c. 1270 - 1340), also known as Ba'al ha-Turim as well as Rabbi Yaakov ben Raash (Rabbeinu Asher), was an influential Medieval rabbinic authority. He is often referred to as the Ba'al ha-Turim ("Master of the Columns"), after his main work in halakha (Jewish law), the Arba'ah Turim ("Four Columns").