National Museum of Nuclear Science & History
R. O. Irwin worked for the Tennessee Eastman Corporation at the Y-12 Plant.
R. M. Thomas worked for the United States Engineer District Office.
Robert R. Williamson was a laboratory assistant and computer at the University of Chicago’s Metallurgical Lab (“Met Lab”) during the Manhattan Project.
Clingerman worked at the 200 West Area at Hanford during the Manhattan Project.
