National Museum of Nuclear Science & History
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.
Elbert Lowdermilk owned and operated the construction company that connected the Los Alamos laboratory to the rest of the country throughout World War II.
Stanley Anhalt was a laboratory assistant at the Metallurgical Laboratory in Chicago during the Manhattan Project.
George Moore was a staff worker at Los Alamos during the Manhattan Project.