National Museum of Nuclear Science & History
Marie Cardwell arrived in Oak Ridge in February, 1945. She was hired as the Document Librarian for the Y-12 Plant and held for the remainder of the Manhattan Project, and for several decades afterwards.
Joseph Hirschfelder was an American physicist. He held doctorates in physics and chemistry from Princeton University.
W. Q. Smith worked for Clinton Laboratories at the X-10 Reactor.