National Museum of Nuclear Science & History
S. W. Crocker worked for the Tennessee Eastman Corporation at the Y-12 Plant.
J. J. Maroone worked for the Union Carbide & Carbon Corporation.
Richard Hodge worked for the Kellex Corporation at the K-25 Plant.
Charles Maier was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.