National Museum of Nuclear Science & History
Henry Nowak worked for the Union Carbide & Carbon Corporation.
Opal MacDonald was a stenographer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
T. A. LaRoe worked for the United States Engineer District Office.
J. E. Archer worked for the H. K. Ferguson Company.
Aubrey C. Robinson served in the First Ordnance Squadron.