Elizabeth Blackburn : (2) " In the 1970s, I did a Ph.D. with Fred Sanger in Cambridge who was in the process of inventing ways to map what’s inside DNA. He later won the Nobel Prize. " - Elizabeth Blackburn " In 2004, results from a study that I worked on with colleagues at the University of California, San Francisco, linked chronic stress to shortening of telomeres. " - Elizabeth Blackburn