Abraham ben Nathan, born around 1037, was the only the son of Nathan ben Abraham, the rival of Gaon Solomon ben Judah in the famous conflict that took place between 1038 and 1042. The dispute ended when Nathan ben Abraham was appointed Av Beit Din of the yeshiva, with hopes of obtaining the position of gaon. He apparently died before achieving this goal.
Abraham ben Nathan inherited his father’s ongoing feeling of frustration and bitterness toward the Palestinian yeshiva and its leaders. His maternal grandfather, Mevorakh ben Eli, was one of the leaders of the Babylonian community in Fustat,…