National Museum of Nuclear Science & History
Charles Pigott worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Robert “Bob” Bubenzer was supervisor of Hanford plant protection for DuPont from 1943 until early 1945.
H. C. Smith worked for the United States Engineer District Office.
Clyde Fiddler was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.