Jared Diamond is a Pulitzer Prize-winning author of five best-selling books, translated into 38 languages, about human societies and human evolution: Guns, Germs, and Steel; Collapse; Why Is Sex Fun?; The Third Chimpanzee and The World Until Yesterday. As a professor of geography at UCLA, he has also conducted research and taught in three other fields: the biology of New Guinea birds, digestive physiology and conservation biology. His prizes and honors include the U.S. National Medal of Science, the Pulitzer-prize for non-fiction, the Tyler Prize for Environmental Science and election to the U.S. National Academy of Sciences. He is a director of World Wildlife Fund/U.S. and of Conservation International. As a biological explorer, his most widely publicized finding was his rediscovery, at the top of New Guinea’s remote Foja Mountains, of the long-lost Golden-fronted Bowerbird, previously known only from four specimens found in a Paris feather shop in 1895.