National Museum of Nuclear Science & History
G. W. Johnson worked for the Edenfield Electric Company.
N. A. Powell worked for the Kellex Corporation at the K-25 Plant.
H. M. Schleiden worked for the A. S. Schulman Electric Company.
Dr. Theron G. Finzel was a chemical engineer/chemist. He worked for DuPont, and was asked to help on the Manhattan Project.
