National Museum of Nuclear Science & History
Hayes worked in the United States Engineer District Office.
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.
C. J. Meyer worked for the Roane-Anderson Company.
H. F. Delo worked for the Edenfield Electric Company.
