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 Transcendence, and the national bestsellers The Gift of Adversity, and Super Mind. Website/Social links Website: www.normanrosenthal.com Facebook: https://www.facebook.com/normanrosenthal Youtube: https://www.youtube.com/normanrosenthal Linkedin: https://www.linkedin.com/in/doctornorman/ Instagram: https://www.instagram.com/doctornorm/