Ben Johnston
Benjamin Burwell Johnston, Junior (born March 15, 1926 in Macon, Georgia) is a composer of contemporary music in the just intonation system. Johnston taught composition and theory at the University of Illinois at Urbana-Champaign from 1951 to 1983. Johnston began as a traditional composer of art music before working with Harry Partch, helping the senior musician to build instruments and use them in the performance and recording of new compositions.