National Museum of Nuclear Science & History
Tracy worked for Stone and Webster Engineering Corporation.
Ethal Moonan was a staff worker at Los Alamos during the Manhattan Project.
Evelyn O. Gaston was a laboratory technician in the Health Division at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
John P. Hove was a research associate at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
