National Museum of Nuclear Science & History
R. J. Dunbar worked for the Tennessee Eastman Corporation at the Y-12 Plant.
H. H. Denny worked for the H. K. Ferguson Company.
Myrtle E. Karcher was a laboratory technician in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
G. L. Ryan worked for the United States Engineer District Office.
