National Museum of Nuclear Science & History
Sherman Winters was a janitor at the University of Chicago’s Metallurgical Lab (“Met Lab”) during the Manhattan Project.
S. B. Reed worked for the United States Engineer District Office.
Viola Vigil was a staff worker at Los Alamos during the Manhattan Project.
Lawrence S. O’Rourke began working on the Manhattan Project at Columbia University after he was called up from the Army Reserves in 1943.