RAY KURZWEIL is one of the world's leading inventors, thinkers, and futurists. A recipient of the National Medal of Technology among many other honors, Kurzweil is the author of The Age of Spiritual Machines, The 10% Solution for a Healthy Life, and The Age of Intelligent Machines. He lives in Massachusetts.
TERRY GROSSMAN, MD , is the founder and medical director of Frontier Medical Institute in Denver, CO, a leading longevity clinic. Certified in anti-aging medicine, he lectures internationally on longevity and anti-aging strategies. Author of The Baby Boomers' Guide to Living Forever, Dr. Grossman lives in Colorado.