Mahzarin R. Banaji is Richard Clarke Cabot Professor of Social Ethics in the Department of Psychology at Harvard University. Banaji studies the social beliefs and preferences of adults and children with a focus on implicit or automatic cognition. She taught at Yale University for 15 years, receiving the Lex Hixon Prize for Teaching Excellence and served as the first Carol K. Pforzheimer Professor at the Radcliffe Institute for Advanced Study. At present, Banaji also serves as Cowan Chair in Human Social Dynamics at the Santa Fe Institute. Banaji is the recipient of a J. S. Guggenheim Fellowship, and the Diener Award for Outstanding Contributions to Social Psychology. She was elected fellow of the American Association for the Advancement of Science, the Society of Experimental Psychologists, the American Academy for Arts and Science and Herbert Simon Fellow of the Association for Social and Political Psychology. Susan A. Gelman teaches at the University of Michigan, Ann Arbor, where she is the Heinz Werner Collegiate Professor of Psychology. Gelman's research focuses on concept and language development in young children. She is the author of over 200 scholarly publications, including The Essential Child (Oxford University Press, 2003), which received the Cognitive Development Society Book Award and the Eleanor Maccoby Book Prize from the American Psychological Association. Gelman is a fellow of the American Academy of Arts and Sciences, the Association for Psychological Science, the American Psychological Association (Division 7), and the Cognitive Science Society.