Clive Staples (C. S.) Lewis (1898-1963) was born in Belfast, Ireland and educated at Oxford. He was a professor of medieval and Renaissance literature at Cambridge. He described his conversion to Christianity from atheism in the 1955 book Surprised by Joy. He was a lecturer on ethical and religious matters on the BBC and wrote numerous influential books including Mere Christianity, The Screwtape Letters, and the children’s classics The Chronicles of Narnia. He influenced many people to become Christians who might not have considered the faith otherwise, especially college students.