Robert L. Kelly began collecting arrowheads in farmers' fields when he was 10 years old. He has participated in archaeological research since 1973, when he was a sophomore in high school. He has worked on excavations in North and South America and conducted ethnographic research in Madagascar. He currently is conducting research into the Paleo-Indian archaeology of Wyoming's Bighorn Mountains. A former president of the Society for American Archaeology and a past secretary of the Archaeology Division of the American Anthropological Association, Kelly has published nearly 100 articles and books, including the 1996 Choice Magazine Outstanding Academic Book THE FORAGING SPECTRUM: DIVERSITY IN HUNTING AND GATHERING SOCIETIES. Dr. Kelly has been a professor at the University of Wyoming since 1997.