Explores the contributions of four important people in the history of the Catholic church, St. Augustine of Hippo, Pope Gregory I, Thomas Aquinas 4. St. Francis of Assisi. Describes how each man impacted the church.

Discusses the lives and work of Saint Thomas Aquinas and Peter Abelard. Describes what these early scholastic dialectician's views were towards finding the truth about the Christian faith. Explores how they challenged views on the "natural world" without challenging the Christian faith, and while being followers of the Christian faith.

An analysis of the three most influential ideas of Thomas Aquinas' philosophical system -- God, ethics, and Christ -- as Aquinas laid out in his work Summa Theologica.

The book "Thomas Aquinas: Scholastic Theologian and the Creator of the Medieval Christian Synthesis" showed how, as a theologian, St. Aquinas shaped how Christians look at humankind as both natural and supernational. He also redefined the concepts of teaching and learning and how Christian faith shapes beliefs about other things.