National Museum of Nuclear Science & History
A. P. Crews worked for Clinton Laboratories at the X-10 Reactor.
Robert O. Willis served in the 603rd Air Engineering Squadron.
Graydon Whitman arrived at Oak Ridge in March 1944, where he began work at the Y-12 separations facility.
Johnston worked at the 300 Area at Hanford during the Manhattan Project.
Leon Horton served in the 393rd Bombardment Squadron.