National Museum of Nuclear Science & History
R. A. Smith worked for the H. K. Ferguson Company.
Gordon Fielden worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Charles D. Harrington was the President of Douglas United Nuclear, which helped manage some of reactor operations at Hanford beginning in 1965.
Pfennig worked for Stone and Webster Engineering Corporation.
Grover Thompson worked for the United States Engineer District Office.