National Museum of Nuclear Science & History
Paul McKim worked for the United States Engineer District Office.
Frank E. Keene was a janitor at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Berenski worked in the United States Engineer District.
J. G. Smith worked for the Roane-Anderson Company.
Martha Zukas was a nurse at Oak Ridge and Los Alamos during the Manhattan Project. One of nine children, Zukas grew up in Ellwood City, PA.