Guest Ralph Blumenthal discusses his latest book which dives deep into the life of the late Dr. John Mack, a tenured and renown Harvard psychologist. Dr. Mack risked his stellar reputation and career to investigate purported human encounters with alien entities and to give credibility to the bewildering accounts told by people who were utterly convinced they had really happened. Ralph discusses what it took research John Mack, and the people who helped him out.