National Museum of Nuclear Science & History
A. J. Cannon worked for the Union Carbide & Carbon Corporation.
Gertrude Williams worked for the United States Engineer District Office.
Alan N. Ayers was a staff member at Los Alamos during the Manhattan Project.
Frederick Rich worked for the Union Carbide & Carbon Corporation.
Mary McCormick was a secretary at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
