Daniel Barker was a Christian preacher and minister for 19 years, before leaving Christianity in 1984. Today, he is the co-president of the Freedom from Religion Foundation with his wife, Annie Laurie Gaylor, and is the author of several books, including his memoir, Godless: How an Evangelical Preacher Became One of America's Leading Atheists (Ulysses Press). He lives in Madison, WI. Richard Dawkins is an English ethologist, evolutionary biologist, and writer. He is an emeritus fellow of New College, Oxford, and was the University of Oxford's Professor for Public Understanding of Science from 1995 until 2008. He is the author of several New York Times bestselling books, including The Selfish Gene (Oxford University Press), The Blind Watchmaker (W.W. Norton & Co.), and The God Delusion (Houghton Mifflin Harcourt). He lives in England.