Dr. Leonid A. Gavrilov, Ph.D.
- Detailed information about researcher, his studies and findings with useful links to full texts of his published scientific articles on human longevity studies.
- http://longevity-science.org/CV-gavrilov.htm

Dr. Roy Walford
- An authority in gerontology and nutrition as related to life extension and disease prevention. Articles, nutrition recommendations, and publication information.
- http://www.walford.com/

Robert S. Grimshaw, Jr. M.D. F.A.C.P.
- Detailed information about the doctor, preparing for a visit, health guides, newsletters and contact information. Also provides office hours. Located in Yorktown Heights, New York.
- http://www.drgrimshaw.com