One was a celebrated author, the other a famed physicist. What the two shared was a public exposure of their religious beliefs. Big E had an on-again, off-again relationship with God. C.S. was an avowed atheist during his early years, but then he discovered a belief in God when he was in his 30s and wrote extensively on the subject. Take this quiz to see if you can decipher who said what about topics ranging from religion to science to the human mind.