National Museum of Nuclear Science & History
H. R. Koonce worked for the J.A. Jones Construction Company.
Hood worked at the 200 West Area at Hanford during the Manhattan Project.
B. A. Tardiff served in the 390th Air Service Group.
F. D. Ethridge, Jr. worked for Clinton Laboratories at the X-10 Reactor.
Gertrude Steel was a junior chemist at the Metallurgical Laboratory in Chicago during the Manhattan Project.
