National Museum of Nuclear Science & History
Hubbard worked for Stone and Webster Engineering Corporation.
Pauline McGrath was a secretary at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Galland worked at the 200 West Area at Hanford during the Manhattan Project.
Klaus Fuchs (1911-1988) was a German theoretical physicist and spy who worked at Los Alamos during the Manhattan Project and passed atomic secrets to the Soviet Union.