National Museum of Nuclear Science & History
Hilda Holzman worked for the United States Engineer District Office.
Florentino Ortiz was a carpenter at Los Alamos during the Manhattan Project.
Ted Stellmack was a member of the Military Police at Los Alamos. Stellmack graduated high school in June 1945 and was recruited by the Army soon thereafter.
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. D. Knable worked for the J.A. Jones Construction Company.