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.
E. D. Briley worked for the Midwest Piping and Supply Company.
Ralph Steinhardt was a member of the Special Engineer Detatchment (SED) at Los Alamos during the Manhattan Project.
M. G. Sonner worked for the J.A. Jones Construction Company.
