National Museum of Nuclear Science & History
Otto Hillig was a Danish machinist who helped work on various projects in the early days of the Manhattan Project.
John G. Holmes, Jr. served in the 1st Ordnance Squadron.
Stanley Krzyck was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
R. H. Raus worked for the Union Carbide & Carbon Corporation.
