National Museum of Nuclear Science & History
Ubaldo Sanchez was a staff worker at Los Alamos during the Manhattan Project.
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.
J. F. Chapman worked for the Tennessee Eastman Corporation at the Y-12 Plant.
William Feyder worked for Clinton Laboratories at the X-10 Reactor.
