National Museum of Nuclear Science & History
Rubie Schaffer (1920-2008) was a staff worker at Los Alamos during the Manhattan Project.
Opal MacDonald was a stenographer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Wilson C. Sowers served in the 393rd Bombardment Squadron.
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.