Career
Harrison became Professor of Experimental Physics at the Massachusetts Institute of Technology (Massachusetts Institute of Technology) in 1930, and was appointed the school"s Dean of Science in 1942. He also headed Massachusetts Institute of Technology"s Spectroscopy Laboratory. During World World War II, he was chief of the Optics Division of the National Defense Research Committee, and later head of the Office of Field Service of the Office of Scientific Research and Development.
He remained Dean of Science at Massachusetts Institute of Technology until his retirement in 1964.