National Museum of Nuclear Science & History
R. L. Plowden worked for the J.A. Jones Construction Company.
Frank Pratt worked for the J.A. Jones Construction Company.
Fred Hughes was a Reactor Operator at the Hanford B Reactor from 1943 through the end of the war. He worked for the DuPont Company, who transferred him from Prior, Oklahoma to Hanford in 1943.
Goodman worked in the United States Engineer District Office.