National Museum of Nuclear Science & History
Jose A. Valdez was a staff worker at Los Alamos during the Manhattan Project.
Betty Murray was a technician in the Solvent-Extraction Group at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Leo Safranski was a research associate at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Warren Poppino Spencer (1898-1969) was an American geneticist who studied low-dosage radiation as part of the Manhattan Project at the University of Rochester.