John R. Klein

MachinistLos Alamos, NM

Chicago, IL

Manhattan Project VeteranMilitary VeteranSpecial Engineer Detachment

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

C. A. Billings

Y-12 Plant

C. A. Billings worked for the Tennessee Eastman Corporation at the Y-12 Plant.

Robert B. Williams

Los Alamos, NM

Robert Boyd Williams was a Major General in United States Army Air Forces and Commanding General, Second Air Force, headquartered in Colorado Springs, CO.

R. Osmalov

Hanford, WA

Joseph C. Brooks

Los Alamos, NM