National Museum of Nuclear Science & History
John Deal worked for the Kellex Corporation at the K-25 Plant.
Marvin Wilkening, a physicist, traveled the Grand Circuit of the Manhattan Project, pursuing his specialty of measuring neutron intensity.
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.