National Museum of Nuclear Science & History
E. T. O'Conner worked for the Roane-Anderson Company.
S. D. Tatalovich worked for the United States Engineer District Office.
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.
