National Museum of Nuclear Science & History
A. J. Erickson worked for the Kellex Corporation at the K-25 Plant.
George Placzek was a Czech physicist. He was born in Brno, Moravia, which was then part of Austria-Hungary but today is in the Czech Republic.
Valentin Padilla was a staff worker at Los Alamos during the Manhattan Project.
L. J. Turner worked for the United States Engineer District Office.
