The non-fiction author John Edward Mack died at the age of 74. Here is all you want to know, and more!
Biography - A Short Wiki
An American biographer, professor, psychiatrist, and Pulitzer Prize winner, he is perhaps best known as an authority on alien abductions. His works include Nightmares and Human Conflict and Passport to the Cosmos: Human Transformation and Alien Encounters.
He grew up in New York City. With his wife Sally, he had three children.