Gunther Schuller

American composer and conductor (1925–2015).

Born November 22nd, 1925 in New York City.

Died June 21st, 2015 at 89 years old in Boston (leukemia). [ref]

Occupations
composer, conductor, horn player, jazz musician, music educator, musicologist, university teacher
Wikipedia

The boundaries which divide Life from Death are at best shadowy and vague. Who shall say where the one ends, and where the other begins? Edgar Allan Poe