National Museum of Nuclear Science & History
Hughes worked at the 200 West Area at Hanford during the Manhattan Project.
Kay Manley, Canadian-born, came to the United States in 1933 to study. She and her husband John Manley were at the Manhattan District in Chicago, when her husband was personally called by Leo Szilard and asked to move from the Met Lab to Los Alamos.
Campbell worked at the 200 East Area at Hanford during the Manhattan Project.
Johnson worked at the 100-F Area at Hanford during the Manhattan Project.
