Howard Hawks Mitchell (January 13, 1885, Marietta, Ohio – 1943) was an American mathematician who worked on group theory and number theory and who introduced Mitchell's group.
In 1910 he received a PhD from Princeton University as Oswald Veblen's first doctoral student. During the academic year 1910/1911 Mitchell was an instructor at Yale University. At the University of Pennsylvania he was an instructor from 1911 to 1914 and then a professor until his death in 1943 at age 58 from coronary thrombosis.
Mitchell was elected to the American Philosophical Society in 1925.[1] His doctoral students include Leonard Carlitz.