National Museum of Nuclear Science & History
P. D. Simpson worked for the Poe Piping & Heating Company.
Don Ross worked for the Union Carbide & Carbon Corporation.
Ellen Skirmont was a laboratory technician in the Health Division at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Thomas Cowley was a Military Policeman assigned to Post Security at Los Alamos, New Mexico during the Manhattan Project.
