Dr. Brian Wowk is a physicist employed at 21st Century Medicine, Inc., a biotech company specializing in development of advanced cryopreservation technologies. His interests include novel cryoprotectants and synthetic molecules with non-colligative effects on ice formation. These are some of his Cell Repair Machine ideas, circa 1988. Thanks also to Robert A. Freitas Jr., author of Nanomedicine, and organizer of the Foresight Nanomedicine Gallery.