Joseph Albo

14-15th century Spanish rabbi and philosopher, disciple of R' Hasdai Crescas and author of "Sefer HaIkkarim" on Jewish philosophy and faith. Albo was one of the participants in the religious disputation in Tortosa, where he successfully defended the Talmud against the attacks of the apostate Joshua HaLurki. He was also proficient in medicine and other sciences.