Ricius Augustinus

This article incorporates text from a public domain source: Bernstein, Aaron. Some Jewish Witnesses for Christ. London: Operative Jewish Converts' Institution, 1909.

Ricius Augustinus, Jewish convert to Christianity and astronomer of the fifteenth century. He was a disciple of R. Abraham Zacuto, and wrote a work on the motion of the eighth sphere, a Latin translation of which appeared in Paris, 1521. He quotes Ibn Ezra, Abraham ben Hiyya, and other Jewish authors, and mentions the epoch 1477.