National Museum of Nuclear Science & History
Charles Maier was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Marcelline Peltier was a staff worker at Los Alamos during the Manhattan Project.
Kopanski worked at the 200 East Area at Hanford during the Manhattan Project.
T. M. Yakimchick worked for the United States Engineer District Office.
