National Museum of Nuclear Science & History
Hendrickson worked in the United States Engineer District Office.
George Caldwell worked for the J.A. Jones Construction Company.
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.
M. B. Dieson worked at the 300 Area at Hanford during the Manhattan Project.
William Thomas McNamara worked in Oak Ridge Tennesee with his wife Mildred Wilton from 1942 to 1946. Prior to accepting a job at Oak Ridge, McNamara had worked at the Charlestown Navy Shipyard in Boston.
