Mohandas Ghandi, the famed leader of the Indian Independence Movement. The independence movement began with a handful of people and he led it into a mass movement of millions. He once made the statement: "I would be a Christian if it were not for other Christians."
Robert Ingersoll, an infidel notorious for his attacks on the Bible, had a godly aunt. He once sent her a copy of one of his books against the Bible. In the flyleaf he wrote the words: "If all Christians had lived like Aunt Sarah perhaps this books would never have been written."