National Museum of Nuclear Science & History
J. H. Russell worked for the United States Engineer District Office.
W. W. Hering worked for the United States Engineer District Office.
Robert Ball was a security guard at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Ivan Behymer came out from the Dupont 'black powder' plant in Illinois to Richland, Washington (Hanford) in March of 1943.
