Henry Kellerman, Ph.D, Diplomate in clinical Psychology of the American Board of Professional Psychology, is training alalyst and senior supervisor at the Postgraduate Center for Mental Health in New York City. He is the author and editor of many books and numerous scientific papers and was the editor of the Columbia University Press book series Personality, Psychopathology, and Psychotherapy: Theoretical and Clinical Perspectives. A former National Institute of Mental Health Fellow, Dr. Kellerman is also a Fellow of th American Psychological Association and the American Group Psychotherapy As...