National Museum of Nuclear Science & History
Gebhart worked in the 200 East Area at Hanford during the Manhattan Project.
Heath worked in the United States Engineer District Office.
Leon Sayvetz was a research assistant at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Alfred Hanson (1914-2005) was an American physicist. Alfred Hanson came to the Manhattan Project from the University of Wisconsin where he had recently completed his doctoral work, studying the Van de Graaf “long tank” accelerator.
