St. Thomas Aquinas 1225 -- 1274

An italian nobleman,Became a monk when he was 17 thus infuriating his mother who tracks him down from place to place and later kidnaps him, taking him back to their castle from where he escapes after 2 years.

He was credited to have magical powers. He believed in the power of the evil eye used by old women who had an association with the Devil. His argument that heretics should be burned was later used to justify the burning of witches.

The major works of Aquinas are the Summa Theologica and the Summa contra Gentiles

In the Summa, he 'proves' the existence of God