National Museum of Nuclear Science & History
Sewell Davis worked at the 300 Area at Hanford during the Manhattan Project.
Louis Rosen (1918-2009) was an American physicist. A native New Yorker and the son of Polish immigrants, Rosen was personally selected to work on the Manhattan project in Los Alamos while a graduate student in physics at the Pennsylvania State University.
D.C. Stewart was a Staff Sergeant in the Special Engineer Detachment at the Metallurgical Laboratory in Chicago during the Manhattan Project.