About the Author

Norman E. Rosenthal, MD, the author of the New York Times bestseller Transcendence, was born in Johannesburg, South Africa, and attended the University of the Witwatersrand. He conducted research at the National Institute of Mental Health for over twenty years, where he led the team that described Seasonal Affective Disorder. He was awarded the prestigious Anna Monika Foundation Research prize for his contribution to research in treating depression and has been listed as one of the best doctors in America and one of the country's top psychiatrists. Besides his New York Times bestseller, he is the author or coauthor of over 200 professional articles and several popular books, including Winter Blues, The Emotional Revolution, St. John's Wort, and How to Beat Jet Lag. He is a clinical professor of psychiatry at Georgetown Medical School.

Dan Woren is an American voice actor and Earphones Award-winning narrator. He has worked extensively in animation, video games, and feature films. He is best known for his many roles in anime productions such as Bleach and as the voice of Sub-Zero in the video game Mortal Kombat.