National Museum of Nuclear Science & History
B. T. McCune worked for the United States Engineer District Office.
Attended the University of Minnesota.
H. L. Ray worked for the Kellex Corporation at the K-25 Plant.
H. Bryant Jr. worked in the Instrument Section at the University of Chicago Met Lab during the Manhattan Project.
H. M. Nappen worked for the Tennessee Eastman Corporation at the Y-12 Plant.
