As a specialist in internal medicine, Dr. Leichtman has worked in the area of intuitive diagnosis and counseling for over thirty years. Early in his medical career he trained himself to correlate intuitive information with conditions in the physical body and the psyche. In his 851 course he teaches the system he developed to students of Medical Intuition. He is the author of over thirty books. He writes and frequently lectures on topics of personal creativity, intuition, spirituality, and the psychology of health. He has been active since 1976 as the co-director of the New Life Clinic, a religious healing service founded by Olga Worrall.