MIHALY CSIKSZENTMIHALYI, Ph.D., professor and former chair of the department of psychology at the University of Chicago, is currently the Davidson Professor of Management at Claremont Graduate University and director of the Quality of Life Research Center. He is author of Flow: The Psychology of Optimal Experience (1990), Creativing: Flow and the Psychology of Discovery and Invention (1993), and Finding Flow: The Psychology of Engagement with Everything in Life (1997).