National Museum of Nuclear Science & History
Pef worked for Stone and Webster Engineering Corporation.
Geiger worked in the United States Engineer District Office.
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.
J. W. Gates worked for the Tennessee Eastman Corporation at the Y-12 Plant.
R. Mamolejo served in the 390th Air Service Group.
