Jack Szostak, an HMS professor of genetics at Massachusetts General Hospital, shared the 2009 Nobel Prize in Physiology or Medicine for work he completed in the 1980s on telomeres, the protective caps at the ends of chromosomes. But he hasn’t worked on telomeres in years. In fact, he completely shifted fields in the early 1990s. Now he’s working to build primitive cells in the laboratory. Learn more about Szostak in the Spring 2012 issue of Harvard Medicine magazine.
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