National Museum of Nuclear Science & History
N. A. Powell worked for the Kellex Corporation at the K-25 Plant.
N. F. Smyth worked for the Kellex Corporation at the K-25 Plant.
A. T. Helgerson worked for the Tennessee Eastman Corporation at the Y-12 Plant.
J. A. Morring worked for the Tennessee Eastman Corporation at the Y-12 Plant.
