Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. John Edward Mack, M.D. was an American psychiatrist, writer, and professor at Harvard Medical School. He was a Pulitzer Prize-winning biographer, and a leading authority on the spiritual or transformational effects of alleged alien abduction experiences. Born in New York City, Mack received his medical degree from Harvard Medical School after undergraduate study at Oberlin. He was a graduate of the Boston Psychoanalytic Society and Institute and was certified in child and adult psychoanalysis.