National Museum of Nuclear Science & History
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.
S. B. Robertson worked for the United States Engineer District Office.
Robert L. McNeiece served in the 320th Troop Carrier Squadron.
Harriet Peterson was a nurse at Los Alamos during the Manhattan Project.