National Museum of Nuclear Science & History
N. D. Barker worked for the Tennessee Eastman Corporation at the Y-12 Plant.
John Morris worked for the United States Engineer District Office.
H. T. Dumbell worked for the Edenfield Electric Company.
Lester Orlan Keen worked as an engineering draftsman at Hanford during the Manhattan Project. His son, Jack Keen, was a young boy at the time.