John Harris Harbison (born December 20, 1938 in Orange, New Jersey) is a composer, best known for his operas and large choral works. Harbison won the prestigious BMI Foundation's Student Composer Awards for composition at the age of sixteen in 1954. He studied music at Harvard University, where he sang with the Harvard Glee Club, and later at Princeton. He is an Institute Professor of music at the Massachusetts Institute of Technology. He is a former student of Walter Piston and Roger Sessions.