National Museum of Nuclear Science & History
Reuben McCord was a chemist who worked at several Manhattan Project sites. After graduating from Erskine College in South Carolina, he was recruited to work at the University of Chicago Metallurgical laboratory.
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.