KEN DYCHTWALD, Ph.D., a world-renowned psychologist and gerontologist, is the author of numerous bestselling books, including Age Wave, Bodymind, and Age Power. He is widely viewed as North America's most original thinker and leading visionary on the longevity revolution. His Web site is www.agewave.com.

DANIEL J. KADLEC won multiple writing awards as a columnist and senior writer at Time magazine and earlier as a columnist at USA Today. Author of Masters of the Universe, Kadlec has been a contributing editor to CNN and a guest discussing aging and financial issues on the major networks.