Nissim ben Jacob

Rav
Nissim ben Jacob
ניסים בן יעקב
TitleGaon
Personal
Born990
Died1062
ReligionJudaism
Parent
  • Jacob ben Nissim (father)
Era10th-11th centuries
Notable work(s)Sefer mafteaḥ le-manʻ ūlei ha-talmūd, Siddur Tefillah, Sefer ha-Mitzvot, Hilkhot Lulav, Megillat Setarim, Sefer Ma'asiyyot ha-Hakhamim wehu Ḥibbur Yafeh meha-Yeshu'ah
TeachersChushiel, Jacob ben Nissim
Known forTalmudic commentary ha-Mafteach
Other namesNissim Gaon, רבנו נסים גאון
Senior posting
Based inKairouan, Tunisia
Students
  • Isaac Alfasi

Nissim ben Jacob (Hebrew: ניסים בן יעקב), also known as Nissim Gaon (Hebrew: רבנו נסים גאון, lit.'Our teacher Nissim the Gaon'; 990–1062), was a rabbi and Gaon best known today for his Talmudic commentary ha-Mafteach, by which title he is also known.