National Museum of Nuclear Science & History
R.J. Stepheson was a consultant at the Metallurgical Laboratory in Chicago during the Manhattan Project.
H. M. Nappen worked for the Tennessee Eastman Corporation at the Y-12 Plant.
E. C. Gunneau worked for the Edenfield Electric Company.
J. B. Corban worked for the Tennessee Eastman Corporation at the Y-12 Plant.