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The Baltimore Longitudinal Study on Aging


My contribution to biogerontology
Leonard Hayflick Scientist
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I will return to this issue of the events that occurred during my early days at Stanford University, but this would be an appropriate time to pause – chronologically, we are now roughly in the year 1968-69 – and to pick up on another area of my work that actually began with the original paper in 1961, where I suggested that the observations that I made had something to do – may have something to do – with the fundamental biology of aging, in addition to its relationship to the immortalization of normal cells. So I will pause now and go back in time, because the events that occurred in respect to my contributions to the field of biogerontology ran parallel with virtually everything that I've discussed up until this time. Starting from the point when I think I last left the subject, and that was my relationships with Nathan Shock, often called the grand old man of American biogerontology.

Leonard Hayflick (b. 1928), the recipient of several research prizes and awards, including the 1991 Sandoz Prize for Gerontological Research, is known for his research in cell biology, virus vaccine development, and mycoplasmology. He also has studied the ageing process for more than thirty years. Hayflick 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), which is known as the Hayflick limit, as well as developing the first normal human diploid cell strains for studies on human ageing and for research use throughout the world. He also made the first oral polio vaccine produced in a continuously propogated cell strain - work which contributed to significant virus vaccine development.

Listeners: Christopher Sykes

Christopher Sykes is a London-based television producer and director who has made a number of documentary films for BBC TV, Channel 4 and PBS.

Tags: Nathan Shock

Duration: 1 minute, 24 seconds

Date story recorded: July 2011

Date story went live: 08 August 2012