Henry Gleitman is Professor of Psychology and the former chair of the department at the University of Pennsylvania. He is the recipient of the American Psychological Foundation's Distinguished Teaching in Psychology Award (1982) and, from the University of Pennsylvania, the Abrams Award (1988) and the Lindback Award (1977). He has served as president of the APA's Division 1: General Psychology and Division 10: Psychology and the Arts. Most importantly, Professor Gleitman has taught introductory psychology for five decades to over 40,000 students. Alan J. Fridlund received his Ph.D. from the University of Mississippi and is associate professor of psychology at the University of California, Santa Barbara. Fridlund's research has focused on facial expressions and the psychophysiology of stress and emotion. He is the author of over 40 research articles and book chapters, and the book Human Facial Expression: An Evolutionary View (Academic Press, 1994). Daniel Reisberg is The Patricia and Clifford Lunneborg Professor of Psychology at Reed College in Portland, Oregon. Professor Reisberg's research has focused on the nature of mental imagery as well as on people's ability to remember emotionally significant events. He has served on the editorial boards of many cognitive psychology journals, and is the editor of the Oxford Handbook of Cognitive Psychology. Reisberg also consults extensively with law enforcement and the justice system, and is the author of The Science of Perception and Memory: A Pragmatic Guide for the Justice System.