National Museum of Nuclear Science & History
H. E. Johnson worked for the Tennessee Eastman Corporation at the Y-12 Plant.
H. J. Ratjen worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Roos worked at the 300 Area and the 200 West Area at Hanford during the Manhattan Project.
Jas C. Deane worked for the Fercleve Corporation.
