Name at birth: Clive Staples Lewis
C.S. Lewis was a high-powered Oxford and Cambridge professor and one of the 20th century's most famous converts to Christianity. An atheist from boyhood, he converted at age 33 and devoted much of the rest of his life to writing about faith. His series of allegorical books known as The Chronicles of Narnia remains especially popular with children. (The Lion, the Witch and the Wardrobe, the first book of the seven in the Narnia series, was published in 1950; The Last Battle, the final book, was published in 1956.) Lewis taught at Magdalen College, Oxford, from 1925-1954, when he moved to Magdalene College, Cambridge, where he remained until 1963. Lewis and his close friend J.R.R. Tolkien were part of the casual Oxford literary group known as The Inklings.