National Museum of Nuclear Science & History
Jose Salazar was a staff worker at Los Alamos during the Manhattan Project.
Frederick Trapnell was a consultant at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Joseph H. Madden served in the 603rd Air Engineering Squadron.
Paul Hartsfield worked for Clinton Laboratories at the X-10 Reactor.
Leon D. Smith joined the Manhattan Project in 1944 and was assigned to the 509th Composite Group at Wendover Airfield in Utah.