National Museum of Nuclear Science & History
Robert Ellingson arrived in Oak Ridge in June 1943. Shortly after Ellingson arrived, however, he was informed by his employer, Tennessee Eastman, that they already had too many chemists and chemical engineers.
Frank Mason worked for the United States Engineer District Office.
Marvin Marks served in the 603rd Air Engineering Squadron.
Hughes worked at the 200 West Area at Hanford during the Manhattan Project.
