National Museum of Nuclear Science & History
Stanley Krzyck was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Ernest W. Korthals served in the 1027th Air Material Squadron.
Frank N. Noble, Jr. served in the 1st Ordnance Squadron.
Fredrick “Fred” D. Johnson was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
