National Museum of Nuclear Science & History
J. O. Parks worked for the Tennessee Eastman Corporation at the Y-12 Plant.
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.
John Kutcher worked for the United States Engineer District Office.
Warren M. Garrison was a research associate at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.