National Museum of Nuclear Science & History
S. J. Helfman worked for the J.A. Jones Construction Company.
L. M. Haisten worked for the Tennessee Eastman Corporation at the Y-12 Plant.
R. B. Somers worked for the Tennessee Eastman Corporation at the Y-12 Plant.
R. D. Arthur worked for Clinton Laboratories at the X-10 Reactor.
W. C. Young worked for the Roane-Anderson Company.