National Museum of Nuclear Science & History
Gilbert worked at the 200 West Area at Hanford during the Manhattan Project.
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.
William C. Drainer served in the 393rd Bombardment Squadron.
J. S. Gayeski served in the 390th Air Service Group.