National Museum of Nuclear Science & History
Mathias A. Klinger was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
W. M. Brown worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Elsie (Blumer) McMillan lived at Los Alamos during the Manhattan Project. Her husband, Edwin McMillan, was a physicist who worked on implosion at Los Alamos.