National Museum of Nuclear Science & History
Grace Pitzer worked for the United States Engineer District Office.
Marion Mandel was a laboratory technician in the Health Division at the University of Chicago Met Lab.
Ralph Nelson was a staff worker at Los Alamos during the Manhattan Project.
Burris Cunningham was a research associate at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
W. L. Brown worked for the Tennessee Eastman Corporation at the Y-12 Plant.