National Museum of Nuclear Science & History
J. V. O’Connor worked for the Union Carbide & Carbon Corporation.
Edward Czuba was a laboratory helper at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
R. L. Milling worked for the J.A. Jones Construction Company.
Mollie Sprio was a stenographer at the Metallurgical Laboratory in Chicago during the Manhattan Project.
