National Museum of Nuclear Science & History
Fred Dennis worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Paul Winston worked for the United States Engineer District Office.
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.
Ed Westcott (1922-2019). was the official US Army photographer of the Oak Ridge, Tennessee site for the Manhattan Project.