James Shreeve is the author of The Neandertal Enigma: Solving the Mystery of Modern Human Origin, and coauthor of Lucy’s Child: The Discovery of a Human Ancestor. His articles have appeared in The Atlantic Monthly, Discover, National Geographic, Science, Smithsonian, and other publications. He has been a fellow of the Alfred P. Sloan Foundation and of the Alicia Patterson Foundation. Shreeve lives in South Orange, New Jersey. From the Hardcover edition.