National Museum of Nuclear Science & History
Charles Raeth was a research assistant at the Chicago Met Lab during the Manhattan Project.
Ralph Steinhardt was a member of the Special Engineer Detatchment (SED) at Los Alamos during the Manhattan Project.
George Graves was a technical advisor at Hanford, and so famous there that he inspired a poem: "We'd called up a tight design/ Hewn strictly to the longhairs' line.