Gary Mack was born on July 29, 1946 in Oak Park, Illinois, USA as Lawrence Alan Dunkel. He is known for his work on The Killing of America (1981), The Lost JFK Tapes: The Assassination (2009) and UFOs: Then and Now? (2000). He was married to Karin Strohbeck. He died on July 15, 2015 in Arlington, Texas, USA.