National Museum of Nuclear Science & History
Jack Hefner joined the Manhattan Project at Oak Ridge in 1943. Hefner was a reactor engineer and helped supervise the construction of the X-10 Graphite Reactor.
Anthony J. Fish served in the 390th Air Service Group.
Carl R. Roy served in the 393rd Bombardment Squadron.
C. L. Crabtree worked for the Tennessee Eastman Corporation at the Y-12 Plant.
