H. M. Nappen

S. B. Gage

S. B. Gage worked for the Kellex Corporation at the K-25 Plant.

Karl P. Somers

S. E. Briggs

S. E. Briggs worked for Clinton Laboratories at the X-10 Reactor.

P. J. Galbreath

P. J. Galbreath worked for the Tennessee Eastman Corporation at the Y-12 Plant.