National Museum of Nuclear Science & History
Eric Smith worked for the Kellex Corporation at the K-25 Plant.
William W. Koons served in the 603rd Air Engineering Squadron.
W. R. Chambers worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Helena Calloway was a laboratory assistant in the Chemistry Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
