Evolutionary theorist Richard Dawkins is not an atheist who sits quietly in the pews. The scientist Discover dubbed "Darwin's Rottweiler" refuses to regard religion as mere harmless nonsense; he views it instead as one of humanity's most pernicious creations. In The God Delusion, he attacks arguments for the existence of God; accuses religions of fomenting divisiveness, war, and bigotry and castigates believers in intelligent design.