National Museum of Nuclear Science & History
L. G. Chelius worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Robert Harrison was an engineer in the Special Engineering Detachment (SED) in Oak Ridge, Tennessee from August 1944 to August 1945.
Clarkson worked in the United States Engineer District Office.
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.
