Norman E. Rosenthal

The New York Times–bestselling author of Transcendence: Healing and Transformation Through Transcendental Meditation, Norman E. Rosenthal, M.D., is a clinical professor of psychiatry at Georgetown Medical School. He conducted research at the National Institute of Mental Health for more than twenty years, and was the first psychiatrist to describe and diagnose Seasonal Affective Disorder (SAD). His books include Winter Blues and The Emotional Revolution.