National Museum of Nuclear Science & History
John Russell worked for the United States Engineer District Office.
Johnson worked at the 100-B Area at Hanford during the Manhattan Project.
J. H. Neumann worked for the J.A. Jones Construction Company.
Owen Chamberlain (1920-2006) was an American physicist and winner of the 1959 Nobel Prize. He joined the Manhattan Project in 1942 after his graduate studies were interrupted by World War II.