Robert N. Butler, M.D., is president and chief executive officer of the International Longevity Center–USA and professor of geriatrics at the Brookdale Department of Geriatrics and Adult Development at the Mount Sinai Medical Center in New York City. From 1975 to 1982 he was the founding director of the National Institute on Aging of the National Institutes of Health. In 1982 he founded the first department of geriatrics in a U.S. medical school. In 1976 Butler won the Pulitzer Prize for his book Why Survive?: Being Old in America. He is co-author (with Dr. Myrna I. Lewis) of the books Aging and Mental Health and Love and Sex After 60. He is presently working on a book, The Longevity Revolution.