Norman E. Rosenthal M.D.

Norman E. Rosenthal is a world-renowned psychiatrist, researcher, and best-selling author who first described Seasonal Affective Disorder (SAD) and pioneered light therapy as a treatment. He has authored multiple books on SAD and other topics, and has over twenty years of research experience at the National Institute of Mental Health. Rosenthal is also known for his engaging and professional style in both writing and narration.