German Talmudist; lived in the eleventh century. He is mentioned in "Mordecai" (Baba Meẓi'a, 332), where his decision is given in an important law question. He is also mentionedin 'Anaw, "Shibbole ha-Leḳeṭ," part i., "Hilkot Ḥanukkah" No. 185; and part ii., "Issur," No. 26.
- Buber, Introduction to Shibbole ha-Leḳeṭ, Wilna, 1887.