Sherira ben Hanina

Sherira bar Hanina (Jewish Babylonian Aramaic: שרירא בר חנינא), more commonly known as Sherira Gaon (שרירא גאון; c. 906 – c. 1006), was the gaon of the in Lower Mesopotamia. He was one of the most prominent geonim of the period. His son Hai succeeded him as gaon. He wrote the Iggeret of Rabbi Sherira Gaon, a comprehensive history of the composition of the Talmud.