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Leonard Hayflick (born 20 May 1928 in Philadelphia, Pennsylvania), Ph.D., is an American anatomist. He is the Professor of Anatomy at the University of California, San Francisco, School of Medicine, and was Professor of Medical Microbiology at Stanford University School of Medicine. He is a past president of the Gerontological Society of America and was a founding member of the council of the National Institute on Aging (NIA). The recipient of several research prizes and awards, including the 1991 Sandoz Prize for Gerontological Research, he has studied the aging process for more than thirty years. He is known for discovering that human cells divide for a limited number of times ''in vitro'' (refuting the contention by Alexis Carrel that normal body cells are immortal). This is known as the Hayflick limit. Hayflick is the author of the book, “How and Why We Age”, published in August 1994 by Ballantine Books, NYC and available in 1996 as a paperback. This book has been translated into nine languages and is published in Brazil, the Czech Republic, Germany, Hungary, Israel, Japan, Poland, Russia, and Spain. It was a selection of The Book of the Month Club and has sold over 50,000 copies worldwide. Hayflick and his associates have vehemently condemned "anti-aging medicine" and criticized organizations such as the American Academy of Anti-Aging Medicine. Hayflick has written numerous articles criticizing both the feasibility and desirability of human life extension, which have provoked responses critical of his views. == Background == Leonard Hayflick was born 20 May 1928 in Philadelphia, Pennsylvania. He received his Ph.D. at the University of Pennsylvania in 1956. After receiving a post-doctoral Fellowship for study at the University of Texas Medical Branch in Galveston, under the tutelage of the renowned cell culturist Prof. Charles M. Pomerat, he returned to Philadelphia, where he spent ten years as an Associate Member of the Wistar Institute and two years as an Assistant Professor of Research Medicine at the University of Pennsylvania. In 1968 Hayflick was appointed Professor of Medical Microbiology at the Stanford University School of Medicine, Stanford, California. Hayflick resigned from Stanford in 1976 while he was the subject of an inquiry by Stanford into his professional conduct, an episode that he characterized as "Gestapo-like" and that was later condemned by 85 prominent biologists who viewed him as having been "exonerated" by subsequent events.〔Philip M. Boffey, ("The Rise and Fall of Leonard Hayflick," ) New York Times (January 19, 1982)〕 In 1982 he moved to the University of Florida, Gainesville, where he became Director of the Center for Gerontological Studies and Professor of Zoology in the College of Liberal Arts and Sciences and Professor of Microbiology and Immunology in the College of Medicine. In 1988 Hayflick joined the faculty of the University of California, San Francisco, where he is currently Professor of Anatomy. Hayflick is a member of numerous national and international scientific and public boards of directors and committees. He is now, or has been, on the Editorial Boards of more than ten professional journals. Hayflick was Editor-in-Chief of the international journal “Experimental Gerontology” for 13 years. He is a member of twenty scientific and professional societies in which he has held several high offices including President of the Gerontological Society of America from 1982 to 1983. He was a founding member of the Council of the National Institute on Aging, NIH and Chairman of its Executive Committee. He was a consultant to the National Cancer Institute and the World Health Organization, and is now a member of several scientific advisory boards. He was Chairman of the Scientific Review Board of the American Federation for Aging Research where he was also a vice president and a Member of the Board of Directors. He was also recruited by Michael D. West, founder of Geron () and current CEO of BioTime, to join the company's Scientific and Clinical Advisory Board, on which he served from 1991-2000.〔(【引用サイトリンク】title=Leonard Hayflick CV )〕 Hayflick is also one of several prominent biologists featured in the 1995 science documentary Death by Design/The Life and Times of Life and Times. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Leonard Hayflick」の詳細全文を読む スポンサード リンク
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