Complex sentence: Mel Powell (born Melvin Epstein) (February 12,1923--April 24,1998) was a Pulitzer Prize-winning American composer, and the founding dean of the music department at the California Institute of the Arts.
Split into simpler sentences: Mel Powell (born Melvin Epstein) (February 12,1923--April 24,1998) was a Pulitzer Prize-winning American composer. Powell was the founding dean of the music department at the California Institute of the Arts.