National Museum of Nuclear Science & History
J. J. De Groot worked for the J.A. Jones Construction Company.
John Tucker worked for the United States Engineer District Office.
Watson worked at the 300 Area at Hanford during the Manhattan Project.
Smith worked at the 200 West Area at Hanford during the Manhattan Project.
C. E. Normand worked for the Tennessee Eastman Corporation at the Y-12 Plant.