The basic story is that a college history major (Don Rawitsch) teamed up with two friends (Bill Heinemann and Paul Dillenberger), both of whom were math majors and had some programming experience, to make a computer game to liven up the history class that Rawitsch was student teaching. While developing the game, Heinemann & Dillenberger tested it out with some kids at the high school at which they were student teaching…and one of those kids was Prince Rogers Nelson.
— Read on kottke.org/26/10/prince-was-one-of-the-first-players-of-the-oregon-trail