William Griffin is the author an editor of works on C.S. Lewis, Fulton Sheen, and many other topics. A former religion editor for Publishers Weekly, he lives in Alexandria, Louisiana. <p/>G. K. Chesterton (1874-1936) was a prolific English journalist and author best known for his mystery series featuring the priest-detective Father Brown and for the metaphysical thriller The Man Who Was Thursday. Baptized into the Church of England, Chesterton underwent a crisis of faith as a young man and became fascinated with the occult. He eventually converted to Roman Catholicism and published some of Christianity's most influential apologetics, including Heretics and Orthodoxy