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

W. J Farrell

Oak Ridge, TN

Farrell worked for Stone and Webster Engineering Corporation.

George B. Ponton

Los Alamos, NM

George Ponton served in the Special Engineer Detatchment (SED) at Los Alamos during the Manhattan Project.

George Allen

Tinian Island

George Allen served in the US Armed Forces and flew B-29s in the air force during World War Two. He did not see action, but was in Alamogordo, New Mexico, when the Trinity Test was conducted and witnessed the explosion from afar.

Neil K. Dickinson

Oak Ridge, TN

Dickinson worked in the United States Engineer District Office.