RICHARD WRANGHAM is Ruth B. Moore Professor of Biological Anthropology, Harvard University. He is the author of Catching Fire: How Cooking Made Us Human and Demonic Males: Apes and the Origins of Human Violence (with Dale Peterson). Wrangham has studied wild chimpanzees in Uganda since 1987. He has received a MacArthur Foundation fellowship and is a fellow of the American Academy of Arts and Sciences and of the British Academy.
