UK - Edingurgh - Writers Attend Edinburgh International Book Festival

Acclaimed Northern Irish astrophysicist Jocelyn Bell Burnell, pictured at the Edinburgh International Book Festival where she talked about her work which included the discovery of the pulsar. The three-week event is the world's biggest literary festival and is held during the annual Edinburgh Festival. The 2011 event featured talks and presentations by more than 500 authors from around the world. (Photo by Colin McPherson/Corbis via Getty Images)