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National Museum of Nuclear Science & History

John R. Klein

MachinistLos Alamos, NM

Chicago, IL
Manhattan Project VeteranMilitary VeteranSpecial Engineer Detachment
John R. Klein

John Klein was a member of the Special Engineering Detachment. He worked at the Metallurgical Lab at the University of Chicago and at Los Alamos. He was a supply sergeant and a machinist, helping construct some of the fixtures for the Trinity test site. 

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