National Museum of Nuclear Science & History
Zen B. Portwood worked for the J.A. Jones Construction Company.
Attended the University of Virginia.
F. A. Wallin worked for the Kellex Corporation at the K-25 Plant.
J. R. Henson worked for Clinton Laboratories at the X-10 Reactor.
Gross worked at the 100-D Area at Hanford during the Manhattan Project.
