National Museum of Nuclear Science & History
Helen Warren worked for the Edenfield Electric Company.
Edward Bohlmann was a research assistant at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Sanford McDonnell was a mechanical engineer with the Special Engineering Detachment at Los Alamos from April 1944 to April 1946.
G. C. Steele worked for the Tennessee Eastman Corporation at the Y-12 Plant.
