National Museum of Nuclear Science & History
George worked at the 100-D Area at Hanford during the Manhattan Project.
Donald Francis Mastick was an American chemist who worked at Los Alamos and on Tinian as part of Project Alberta.
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.