Rav Ahron ben Yosef HaKohen Gaon
Rabbi Ahron ben Yosef HaKohen (Also know as Ahron Sargado) served as Gaon of Pumbeditha for a duration of 16 years from 4704 (943 CE) until his passing in 4719 (959 CE), he carried the title ראש ישיבת גאון יעקב. A student of Rav Mevasser Gaon, the Even Ezra in his Torah commentary quotes a…