National Museum of Nuclear Science & History
Hans Courant (1924- ) is a German-born, American physicist. After only completing one semester at MIT, the army recruited Hans Courant.
Johnson worked at the 300 Area at Hanford during the Manhattan Project.
William E. Caldes studied chemical engineering at Princeton University. In 1943, he was recruited to join the Manhattan Project, and became the 19th project member at Los Alamos.
