David P. Barash is Professor of Psychology at the University of Washington in Seattle. He is the author of over thirty books, including Natural Selections: Selfish Altruists, Honest Liars, and Other Realities of Evolution. He has also co-authored several books with his wife Dr. Judith Eve Lipton, including Strange Bedfellows: The Surprising Connection Between Sex, Evolution, and Monogamy and The Myth of Monogamy.