National Museum of Nuclear Science & History
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.
Bell worked in the United States Engineer District Office.
McDaniels worked in the 100 F Area at Hanford during the Manhattan Project.
E. H. Halbrook worked for the J.A. Jones Construction Company.