National Museum of Nuclear Science & History
G. L. Crutchfield worked for the Edenfield Electric Company.
Harold Hoover was a member of the Special Engineer Detachment during the Manhattan Project. He worked as a filter foreman at the Y-12 Plant, but his real job was in counterintelligence, to ensure no sabotage occurred.
Albert Young was a patent attorney at the University of Chicago’s Metallurgical Lab (“Met Lab”) during the Manhattan Project.
John Luttrell worked for the United States Engineer District Office.