 Peter Gwinn attended one of few liberal arts colleges that runs on what system?
Peter Gwinn: Peter Gwinn is an American comedy writer and improviser from Evanston, Illinois. Carleton College: Carleton College ( ) is a private liberal arts college in the historic town of Northfield, Minnesota. Carleton College:  Carleton is one of few liberal arts colleges that runs on the trimester system.
i don't know