National Museum of Nuclear Science & History
R. W. Llewellyn worked for the United States Engineer District Office.
W. T. Simpson worked for the Roane-Anderson 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.
Richard Parse worked for the Tennessee Eastman Corporation at the Y-12 Plant.
