You have probably never heard of Jean Gerson, and that is a shame. Most students of Church History do not even know him. But you certainly should know about Jean Gerson. Gerson is a towering figure in the 1400s, and in the history of the whole Church. In great part, he was the one able to heal the Western Schism. But because he occupies a space in between modern Protestants and Catholics, he often gets forgotten by both.