National Museum of Nuclear Science & History
Copeland worked in the United States Engineer District Office.
Rose Pingel was a staff worker at Los Alamos during the Manhattan Project.
John Vach was a guard at the Metallurgical Laboratory in Chicago during the Manhattan Project.
John Baker worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Frances Nolan was a staff worker at Los Alamos during the Manhattan Project.
