Brian Fagan

Brian M. Fagan is an Emeritus Professor of Anthropology at the University of California, Santa Barbara, and a leading authority on human prehistory. Among his many books are "Ancient North America" (4th edition, 2005) and "The Great Journey" (1987). He also edited "The Seventy Great Mysteries of the Ancient World" (2001). His latest book is "The Long Summer: How Climate Changed Civilization" (2004)