National Museum of Nuclear Science & History
John Brill was a guard at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Paul D. Krause was a research associate at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Block worked in the United States Engineer District Office.
Edward Brending served in the 1395th Military Police Company, Aviation.
Joseph Rush worked for Clinton Laboratories at the X-10 Reactor.