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]