National Museum of Nuclear Science & History
J. C. Rieder worked for the J.A. Jones Construction Company.
Sutherland worked at the 100-B Area at Hanford during the Manhattan Project.
Chesrown worked at the 300 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.