National Museum of Nuclear Science & History
G. A. Nichols worked for the United States Engineer District Office.
Freda Morgan was a staff worker at Los Alamos during the Manhattan Project.
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.
Dr. Theron G. Finzel was a chemical engineer/chemist. He worked for DuPont, and was asked to help on the Manhattan Project.