Norman E. Rosenthal, M.D.

Norman E. Rosenthal is the world-renowned psychiatrist and bestselling author who first described seasonal affective disorder (SAD) and pioneered the use of light therapy as a treatment during his twenty years at the National Institute of Mental Health. A prolific researcher and writer, he has written more than three-hundred scholarly articles and authored or co-authored ten popular books, including Poetry Rx, the New York Times bestseller Tran-scendence, and the national bestsellers The Gift of Adversity, and Super Mind. His latest book is Defeating SAD: A Guide to Health and Happiness Through All Seasons.

For further information go to: www.normanrosenthal.com.