National Museum of Nuclear Science & History
M. E. Johnson worked for the Tennessee Eastman Corporation at the Y-12 Plant.
W. J. Cruce worked for the Tennessee Eastman Corporation at the Y-12 Plant.
J. B. Kaiser worked for the Midwest Piping and Supply Company.
Before he came to Hanford Sam Campbell had a varied work history, including service with the coast artillery in the Philippines and pipeline construction in South America.