National Museum of Nuclear Science & History
Robert Francis worked for Hanley & Company.
L. R. Zumwalt worked for the United States Engineer District Office.
H. W. Allstrom worked for the Tennessee Eastman Corporation at the Y-12 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.
Richard Claassen was a research assistant at the SAM Lab at Columbia University from 1944 to 1946. While there, he built and used fluidic systems to test for unusual leaks in diffuser tubes.
