National Museum of Nuclear Science & History
W. W. Pardon worked for the Roane-Anderson Company.
James N. Eckley served in the 1st Ordnance Squadron.
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.