Douglas R GroothuisDouglas Groothuis, Ph.D., is Professor of Philosophy at Denver Seminary, where he has served since 1993. He is the author or co-author of fourteen books, including the best-selling, Unmasking the New Age, the much-used apologetics textbook, Christian Apologetics, and introduction to philosophy, Philosophy in Seven Sentences, a memoir, Walking through Twilight, and a children's book, I Love You to The Stars (with Crystal Bowman). Read More Read Less