National Museum of Nuclear Science & History
Eugene Edwards worked for the Roane-Anderson Company.
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.
G. H. Griffith worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Sidney Robinson (d. 1972) worked on the Manhattan Project in Chicago. He was from New York City, and attended City College.