National Museum of Nuclear Science & History
Bradley Jr. worked at the 200 West Area at Hanford during the Manhattan Project.
Ivan Behymer came out from the Dupont 'black powder' plant in Illinois to Richland, Washington (Hanford) in March of 1943.
C. M. Sheldon worked for the J.A. Jones Construction Company.
George Fisher worked for the Roane-Anderson Company.
D. G. Perkins worked for the United States Engineer District Office.