Saadia Gaon

10th-century rabbi

Saʿadia ben Yosef Gaon or Said bin Yusuf al-Fayyumi (892–942) was a prominent rabbi, gaon, Jewish philosopher, and exegete who was active in the Abbasid Caliphate. Saadia is the first important rabbinic figure to write extensively in Judeo-Arabic. His extensive writings are one of the foundations of Judeo-Arabic literature.

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