National Museum of Nuclear Science & History
H. W. Caldwell worked for the Edenfield Electric Company.
Robert J. Moon (1911-1989) was a physicist at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project and a signer of the Szilard petition.
Per E. Carlson served in the 603rd Air Engineering Squadron.
W. H. Sidner worked for the Union Carbide & Carbon Corporation.
