Stanley I. Greenspan, M.D., is Clinical Professor of Psychiatry, Behavioral Sciences, and Pediatrics at the George Washington University Medical School, Chairman of the Interdisciplinary Council on Developmental and Learning Disorders, and a supervising Child Psychoanalyst at the Washington Psychoanalytic Institute. He was previously Chief of the Mental Health Study Center and Director of the Clinical Infant Development Program at the National Institute of Mental Health. A founder and former president of ZERO TO THREE: National Center for Infants, Toddlers, and Families, Dr. Greenspan has been honored with a number of national awards, including the American Psychiatric Association�s Ittleson Prize for outstanding contributions to Child Psychiatry Research and the American Orthopsychiatric Association�s Ittleson Prize for outstanding contributions to American mental health�the only individual to receive both Ittleson awards�and the Strecker Award for outstanding contributions to American psychiatry. He is the author or editor of more than 35 books and monographs and 100 articles and chapters. Nancy Thorndike Greenspan, a former health economist, writes about children�s development and is currently working on a biography of Max Born, the Nobel Peace Prize winning physicist and one of the pioneers in the development of quantum mechanics. She also works on environmental issues.