David P. Barash is professor of psychology and zoology at the University of Washington in Seattle. He has been active in the growth of sociobiology as a scientific discipline. He is the author of more than 170 technical articles and twenty books including "Sociobiology and Behavior, Aging: An Exploration, Beloved Enemies: Exploring Our Need for Opponents, Making Sense of Sex: How Genes and Gender Influence Our Relationships" (with Judith E. Lipton), and "The Mammal in the Mirror: Understanding Our Place in the Natural World" (with Ilona A. Barash).).

Vikas Adam has numerous credits in theater, film, and television. His fifty-plus audiobooks span genres and include The City of Devi, A Free Man, The Far Pavilions, Ender's Game Alive: The Audioplay, Dreams and Shadows, and Tesla's Attic. He's an Audie nominee and Earphones Award recipient. He has a BFA in theater from Syracuse University and a MFA in acting from UCLA, where he's a lecturer in the theater department.