Steven J. C. Gaulin earned his undergraduate degree with a double major in anthropology and psychology from U. C. Berkeley, and his doctorate in biological anthropology from Harvard.  He has been a Professor of both Anthropology and Psychology at the University of Pittsburgh, and is currently a Professor of Integrative Anthropological Sciences at U. C. Santa Barbara.  He has two cross-fertilizing research interests: the evolution of sex differences in human anatomy, physiology, cognition and behavior; and evolutionary psychology.  His research involves a wide range of field and laboratory techniques and has been published in books and journals that span evolutionary theory, ecology, anthropology, psychology and philosophy of science.  He is senior author of a leading textbook in evolutionary psychology, editor of a reader in biological anthropology, and junior author of a book on women’s fat metabolism.  He recently completed a ten-year term as Co-editor-in-Chief of the Elsevier journal Evolution and Human Behavior.