National Museum of Nuclear Science & History
J. P. Smith worked for the J.A. Jones Construction Company.
W. L. Thaggard worked for Clinton Laboratories at the X-10 Reactor.
Harrington worked at the 100-F Area at Hanford during the Manhattan Project.
W. Stephens worked for the Roane-Anderson Company.
Charles Mignon worked for the Kellex Corporation at the K-25 Plant.