National Museum of Nuclear Science & History
Harry Grisham worked for the Kellex Corporation at the K-25 Plant.
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.
Attended Purdue University.
W. G. Roman worked for the Tennessee Eastman Corporation at the Y-12 Plant.
