, successful Coursera MOOC on Beethove= Sonatas • Noam Elkies, Chair, Harvard Math Dept. and Juillard graduate,=/div> • Robert Levin, former chair, Harvard Music Dept., leadin= classical improviser • Marvin Minsky, MIT Professo=, Al founder, Improvisor • Stephen Prutsman, San Francisco, Pianist and Improvisor =/di