National Museum of Nuclear Science & History
J. F. Chapman worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Sineath Jr. worked at the 200 East Area at Hanford during the Manhattan Project.
A. P. Crews worked for Clinton Laboratories at the X-10 Reactor.
Smith worked at the 100-D Area at Hanford during the Manhattan Project.
H. E. Armstrong worked for the Tennessee Eastman Corporation at the Y-12 Plant.