C.S Lewis

C.S. Lewis (1898 – 1963) Birth name: Clive Staples Lewis, was a British writer and lay theologian. He held academic positions in English literature at both Oxford University (Magdalen College, 1925–1954) and Cambridge University (Magdalene College, 1954–1963).

He is best known for his works of fiction, especially The Screwtape LettersThe Chronicles of Narnia, and The Space Trilogy, and for his non-fiction Christian apologetics, such as Mere ChristianityMiracles, and The Problem of Pain.
Source: Wikipedia