George Archibald Grant Mitchell, OBE, TD, MB, ChB, ChM, MSc, DSc, FRCS (1906–1993) was a professor of anatomy at the University of Manchester from 1946 to 1973. He is mainly remembered for his research in neuroanatomy, especially of the autonomic nervous system. He studied medicine at the Aberdeen University, and after qualifying in 1929 he held posts in surgery and anatomy and worked as a surgeon in the Highlands. In 1939, he joined the Royal Army Medical Corps. He was based in Egypt and the Middle East, where he carried out trials of sulphonamides and penicillin on wounded soldiers; in 1943, he returned to England as Adviser in Penicillin Therapy for 21 Army Group, preparing for the invasion of Europe.