Leonard Sarason (1925 – September 24, 1994) was a music composer, a pianist, and a mathematician. He earned a master's degree music composition from Yale University, supervised by Paul Hindemith.[1][2][3] After a doctorate in Mathematics at New York University supervised by Kurt Otto Friedrichs[4] he taught mathematics at Stanford University and the University of Washington.[1][2] His mathematical research concerned partial differential equations.[1]