National Museum of Nuclear Science & History
W. A. Gracey worked for the Roane-Anderson Company.
Chowning worked at the 200 East Area at Hanford during the Manhattan Project.
Nestor worked for Stone and Webster Engineering Corporation.
F. E. Sellers worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Leland Nelson worked for Clinton Laboratories at the X-10 Reactor.