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

Paul D. Krause

Chicago, IL

Paul D. Krause was a research associate at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

S. G. Crews

B Reactor/100 Area

Crews worked at the 100-F Area at Hanford during the Manhattan Project. 

D.F. Shepard

Hanford, WA

Shepard worked at the 200 West Area at Hanford during the Manhattan Project.

R. B. Deeds

Y-12 Plant

R. B. Deeds worked for the Tennessee Eastman Corporation at the Y-12 Plant.