Aaron T. Beck, MD, is University Professor Emeritus of Psychiatry at the University of Pennsylvania and President of the Beck Institute for Cognitive Therapy. Dr. Beck developed cognitive therapy in the early 1960s as a psychiatrist at the University of Pennsylvania. He has published over 500 articles and numerous books and has lectured throughout the world. Dr. Beck is the recipient of many honors from professional and scientific organizations, including "America's Nobel," the Lasker Clinical Medical Research Award.