Kevin MacDonald is Professor of Psychology at California State University-Long Beach, Long Beach, CA 90840-0901, USA. His research has focused on developing evolutionary perspectives in history and developmental psychology. After receiving a Masters degree in evolutionary biology, he received a Ph.D. in biobehavioral sciences at the University of Connecticut working on behavioral development in wolves, and he continued developmental research during a post-doctoral fellowship at the University of Illinois performing research on human parent-child play. His research has focused on developing evolutionary perspectives in developmental psychology. He has also authored four books, Social and Personality Development: An Evolutionary Synthesis (NY: Plenum, 1988) and A People that Shall Dwell Alone: Judaism as a Group Evolutionary Strategy (Westport, CT: Praeger, 1994), Separation and Its Discontents: Toward an Evolutionary Theory of Anti-Semitism (Westport, CT, 1998), and The Culture of Critique: An Evolutionary Analysis of Jewish Involvement in Twentieth-Century Intellectual and Political Movements (Westport, CT, 1998).