National Museum of Nuclear Science & History
Richard Popham oversaw radiation safety in the Chemistry-Metallurgy Division at Los Alamos during the Manhattan Project.
R. E. Stapleton worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Ralph A. James (1920-1973) was a research associate in the Chemistry Division at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
