Richard F. Kay is Professor of Evolutionary Anthropology and Earth and Ocean Sciences at Duke University, North Carolina, where he has worked since 1973. He has edited six books and authored more than 200 research papers on primate paleontology, functional anatomy, adaptations and phylogenetics. Professor Kay has conducted paleontological field research in seven South American countries since 1982 and is an elected fellow of the American Association for the Advancement of Science.