291 Essays on Infinite Lifespans   Authors Shannon Vyff Mother of three, studying for a Master’s in Nutritional Ther- apy, Shannon is a long-term leader for La Leche League Inter- national.  She and her husband are members of the Caloric Restriction Society.  If needed, she and her family have made arraignments to be cryonically frozen at the Alcor Life Exten- sion Foundation. Michael D. West, Ph.D. http://www.michaelwest.org Received his B.S. degree from Rensselaer Polytechnic Institute in 1976, his M.S. degree in biology from Andrews University, and his Ph.D. degree from Baylor College of Medicine in 1989 studying the molecular biology of cell senescence. Founder of Geron Corporation of Menlo Park, California and later Origen Therapeutics of South San Francisco, California. He is currently Chairman of the Board of Origen. He has extensive academic and business experience in age-related degenerative disease, telomerase molecular biology, and human embryonic stem cells. Brian Wowk, Ph.D. http://www.21cm.com/ Physicist, cryobiologist, and Senior Scientist at 21st Century Medicine, Inc., in Rancho Cucamonga, California, a com- pany  specializing  in  low  temperature  preservation  of  tissue and  organs  for  medical  applications.  His  current  interests include  the  design  of  molecules  that  specifically  bind  and inhibit growing ice crystals (“ice blockers”), and the physics and engineering issues of banking transplantable organs. Dr. Wowk is one of the few scientists in the world that are directly