
In his Book of Genealogies, generally dedicated to the chronology of Jewish Oral Law, Zacuto writes: “And the great rabbi, the rabbi of the people of Israel, the rabbi of the three above-mentioned scholars, the pious, humble man, who was inspired by the Holy Divine Spirit, the great light, Rabbi Isaac Qanpanton who was called a Gaon in Castile.

His odyssey led him through North Africa to Jerusalem, where he died. Zacuto was then in Portugal after leaving Spain in the 1492 Expulsion. He is particularly known for his astronomical calculations and contribution to nautical navigation, and his personal guidance to name Vasco da Gama prior to his voyage to India in 1497.

(function (a, d, o, r, i, c, u, p, w, m) Īlongside his scientific excellence, he was also a kabbalist.
