| The stern Gaon refused even to see the exponent of heterodoxy. |
| Still, in his day, Campanton passed for the Gaon of Castile. |
| Hai Gaon died in 1038, closing the period of the Geonim after an activity of four and a half centuries. |
| The notion derives from a comment by the Vilna Gaon and probably reflects his antipathy toward the Chasidic concept of the tzaddik. |
| But Abraham had followers in Pumbeditha, who gave him their support, and refused allegiance to the rival Gaon. |
| Attempts to codify these were undertaken by several medieval authorities, including Saadia Gaon and Joseph Albo. |
