Elizabeth H. Blackburn, Carol W. Greider and Jack W. Szostak were named winners of the 2009 Nobel Prize in Physiology or Medicine this morning for the discovery of "how chromosomes are protected by telomeres and the enzyme telomerase." Blackburn and Greider are the 9th and 10th women to win Nobels in medicine. Blackburn is a professor of biology and physiology at the University of California at San Francisco http://biochemistry.ucsf.edu/labs/blackburn/

Greider is a professor of molecular biology and genetics at Johns Hopkins University School of Medicine http://www.greiderlab.org/ Szostak is professor of genetics at Harvard Medical School and Massachusetts General Hospital. He is also affiliated with the Howard Hughes Medical Institute.