National Museum of Nuclear Science & History
Mildred McNamee worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Hugh “Brad” Bradner was a physicist at Los Alamos during the Manhattan Project.
Marietta C. Moore was a technician in the Health Division at the University of Chicago Met Lab. She signed the Szilard petition.
Libby worked in the 200 W Area at Hanford during the Manhattan Project.