Jared Diamond is the Pulitzer Prize-winning author of Guns, Germs, and Steel , which was named one of TIME ¿s best non-fiction books of all time, the number-one international bestseller Collapse ,__ and most recently The World Until Yesterday. A professor of geography at UCLA and noted polymath, Diamond¿s work has been influential in the fields of anthropology, biology, ornithology, ecology and history, among others.