World War C

Sanjay Gupta is one of the world's most well-known doctors. He graduated in Medicine from the University of Michigan, then specialized in neurosurgery. For two years he was an advisor at the White House and, in January 2009, was invited to become the Surgeon General of the United States by President Barack Obama, but declined. Currently, he is the leading medical expert on the television network. CNNHe has several published books.