Nobel Assembly announces the 2009 Nobel Prize in Physiology or Medicine for Blackburn, Greider, and Szostak’s telomere and telomerase work.
On 5 October 2009, the Nobel Assembly at the Karolinska Institute announced that the 2009 Nobel Prize in Physiology or Medicine would be awarded jointly to Elizabeth H. Blackburn, Carol W. Greider, and Jack W. Szostak.
The press release cited their discovery of how chromosomes are protected by telomeres and the enzyme telomerase. Specifically, it recognized their elucidation of the mechanism by which telomerase extends telomeres and shields chromosome ends from degradation, thereby influencing cell division, aging, and tumor development.
This announcement was historically significant on multiple fronts. It confirmed telomere and telomerase biology as a foundational concept in modern medicine and placed Greider among the very small number of women to have received the Nobel Prize in Physiology or Medicine. Institutional biographies note that at the time she was the youngest woman ever to receive this prize, underscoring the exceptional nature of her scientific contributions.
The Nobel announcement also drew public attention to issues of cellular aging and cancer at a moment when translational research on telomerase inhibitors and activators was accelerating. For women’s history in science, the inclusion of two women—Blackburn and Greider—among the laureates highlighted gradual progress toward gender equity in the highest levels of scientific recognition.