National Museum of Nuclear Science & History
Paul Hartsfield worked for Clinton Laboratories at the X-10 Reactor.
Ignatius J. Esposito served in the 393rd Bombardment Squadron.
John George Waugh was a physicist working at Los Alamos in 1945. Waugh received his B.S. and M.S.
Helen E. Krinek was a research assistant in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.