Rav Yehudai ben Nachman Gaon

Rav Yehudai ben Nachman Gaon was one of the foremost Geonim of the academy of Sura in Babylonia, serving as its head from 757 to 761. He was blind, yet illuminated his generation with his wisdom. Originally a scholar at the academy of Pumbedita, the Exilarch Shelomo ben Hasdai transferred him to Sura because no one there matched his erudition. He is considered one of the most important Geonim, and his student's student Pirqoi ben Baboi described him as great in holiness, purity, piety, and humility. He was the first Gaon to compile halakhic works after the sealing of the Babylonian Talmud, and according to some scholars he authored 'Halachot Pesukot'. His main struggle was to establish the Babylonian Talmud as the sole halakhic authority for the Jewish people, against the customs of the Land of Israel that relied on the Jerusalem Talmud.

Rav Yehudai ben Nachman Gaon is regarded as one of the most important Geonim and the father of Gaonic halakhic literature. His compilation of an organized halakhic work, likely 'Halachot Pesukot', was a breakthrough that paved the way for the halakhic books of the Rishonim, foremost among them 'Halachot Gedolot' by Shimon Kayyara. His struggle to establish the Babylonian Talmud as the sole halakhic authority shaped the face of Jewish law for generations, and his students spread the Torah of Babylonia to Spain and North Africa. His blindness and continued Torah activity despite it made him a symbol of spiritual greatness and devotion to Torah.