Don Allen Gregory has been Professor of Physics at the University of Alabama in Huntsville since 1993. Before teaching, Don was supervisory research physicist for the US Army Missile Command, and a Materials Scientist for NASA/ Marshall Space Flight Centre. He is the author of more than 130 technical publications as well as having written articles for World War II History, Military History, and World War II Magazine.
Wilhelm Reinhard Gehlen was born in Germany’s Rhineland in 1933, the year Adolf Hitler became German Chancellor, where he joined the Hitler Youth and attended one of Adolf Hitler's Volk Schools. Will has since served in Indochina (Annam-Tonkin) and North Africa with the Foreign Legion and worked for the International War Grave Commission of NATO.