Who was St. AnselmSome call Anselm (1033-1109) the father of revealed theology. Of Italian parentage, he began his career as a Benedictine monk. Later he became Archbishop of Canterbury in England, as a result of the Norman invasion. He was a leader in the struggle for church freedom from the state. Anselm was noted for his humility.

Who was John of Salisbury? (1120-1180)  John of Salisbury was a French scholar and theologian.  He is known as the father of modern political science.  He studied under Peter Abelard and gained political experience from Thomas Beckett.  Beckett was the revered  Archbishop of Canterbury. 

Who was Thomas AquinasThomas Aquinas (1226-1274) was the father of natural theology.  He became the greatest, though not the first, Scholastic empiricist. He was born to a family of noble descent in the kingdom of Naples.  He became a Dominican Friar and taught theology and philosophy at Paris and Rome.