National Museum of Nuclear Science & History
Eva Pennartz worked for the Roane-Anderson Company.
Stanley Krzyck was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Lawrence Litz was a young physicist when he began working on radioactivity at the Metallurgical Laboratory at the University of Chicago.
Hugo Griep served in the 1395th Military Police Company, Aviation.
