British-born US physical anthropologist; curator at the American Museum of Natural History; adjunct, Columbia University. Interests include primates, Malagasy ecology, human evolution, and science education. Author of many articles and books, including The Last Neanderthal (1999) and The Primates of Madagascar (1982). Coeditor (with E. Delson and J. Van Couvering) of Encyclopedia of Human Evolution and Prehistory (1988). Co-author (with J. Schwartz) of Extinct Humans (2000) and (with N. Eldredge) of The Myths of Human Evolution (1982).