ROBERT W. WEISBERG, PHD, is Professor of Psychology and Director of the Brain, Behavior, and Cognition Cluster at Temple University, Philadelphia, Pennsylvania. A cognitive psychologist, Dr. Weisberg's area of interest is creative thinking, particularly the cognitive processes involved in the intentional production of novelty. He has published papers investigating cognitive mechanisms underlying problem solving, and has published papers and books examining the cognitive processes underlying creative thinking, including Creativity: Genius and Other Myths and Creativity: Beyond the Myth of Genius.