Rabbi Profiat Duran (Efodi) 1350-1415 us the only Rishon (as far as I know) who was forced to become Christian for a while AND wrote a polemic against Christianity. He was also a philosopher and grammarian.
Rabbi Profiat Duran (Efodi) 1350-1415 us the only Rishon (as far as I know) who was forced to become Christian for a while AND wrote a polemic against Christianity. He was also a philosopher and grammarian.