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.
Caldwell worked in the United States Engineer District Office.
Robert Cross worked for the Roane-Anderson Company.
Charles Allen Thomas (1900-1982) was an American chemist and industrial leader. Thomas was recruited to join the Manhattan Project in 1942 by General Groves, who offered him a postion as a deputy to Robert Oppenheimer, the director of the Los Alamos Laboratory in New Mexico.
