National Museum of Nuclear Science & History
R. H. Elder worked for the Edenfield Electric Company.
Aylworth worked in the United States Engineer District Office.
Vaughn worked at the 200 West Area at Hanford during the Manhattan Project.
Halloran worked in the United States Engineer District Office.
Anton Kegl was a janitor at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
