Terry Gross

Oncologist Siddhartha Mukherjee chronicles how our understanding of cancer has evolved in his new book The Emperor of All Maladies: A Biography of Cancer.

This interview was originally broadcast on Nov. 17, 2010. Siddhartha Mukherjee recently received the 2011 Pulitzer Prize for General Nonfiction for 'The Emperor of all Maladies.'

Combat photographer Joao Silva is at Walter Reed Army Medical Center, where he's recovering after losing his legs in an explosion in October. Greg Marinovich is a Pulitzer Prize-winning photographer who was shot four times while covering conflicts. Silva and Marinovich talk about life as war photographers with Fresh Air's Terry Gross.

German filmmaker Werner Herzog was one of the few people permitted to enter a cave in France containing the oldest recorded cave paintings. What he saw — and what he imagined — is the subject of a new documentary, The Cave of Forgotten Dreams.