Ray Stein

EngineerY-12 Plant

Oak Ridge, TN

EngineerManhattan Project VeteranSpecial Engineer Detachment

Listen to Ray Stein’s Oral History on Voices of the Manhattan Project

A member of the Special Engineer Detachment of the U.S. Army, Ray Stein participated in the Manhattan Project at Oak Ridge and was assigned to the Y-12 Plant. At Y-12, he and his fellow SED members donned civilian clothes and were told to keep an eye out for possible saboteurs or spies. It was also at this plant he met the woman he would later marry, Alice Stein.

Related Profiles

Calvin B. Popwell

Tinian Island

Calvin B. Popwell served as a corporal in the 393rd Bombardment Squadron. He was a member of the ground crew regularly assigned to the B-29 Big Stink, and he and his crew were later reassigned to Luke the Spook.

Lawrence A. Kimpton

Chicago, IL

Lawrence Kimpton was the Chief Administrative Officer at the University of Chicago Metallurgical Lab, serving there from 1943 to 1945.

L. D. Martin

Y-12 Plant

L. D. Martin worked for the Tennessee Eastman Corporation at the Y-12 Plant.

Walter G. Johnson

Oak Ridge, TN

Walter Johnson worked for the United States Engineer District Office.