National Museum of Nuclear Science & History
Walter Main worked for the United States Engineer District Office.
Lulu Slaughter was a laboratory assistant at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Gilbert Mathis was an electrical engineer at Los Alamos from 1943 to 1946. He was recruited for the Manhattan Project as a member of the US Army Signal Corps.
John Ramsey worked for the Tennessee Eastman Corporation at the Y-12 Plant.
