Nuclear Museum Logo
Nuclear Museum Logo

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. 

Related Profiles

Rene Prestwood

Los Alamos, NM

Rene Prestwood was an American nuclear chemist. Prestwood was recruited for the Manhattan Project as a young chemist from the University of California-Berkeley.

Glen G. Graves

Y-12 Plant

Glen Graves worked for the Tennessee Eastman Corporation at the Y-12 Plant.

G. W. Toncray

Y-12 Plant

G. W. Toncray worked for the Tennessee Eastman Corporation at the Y-12 Plant.

H. A. Pritchard

Oak Ridge, TN

H. A. Pritchard worked for the J.A. Jones Construction Company.