National Museum of Nuclear Science & History
Lyndon Richards served in the First 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.
Robert Rumer worked for the United States Engineer District Office.
Samuel R. Macaione was a member of the Special Engineering Detachment at Los Alamos. He was known primarily not for his work, but for his membership in the thirteen-member swing band at Los Alamos, "The Keynotes.