n Our pal Will Shortz, NPR puzzlemaster and crossword editor for the New York Times, recently gave the commencement address at his alma mater, Indiana University. It included a trivia quiz on the surprising majors of some famous IU grads. Novelist Robert James Waller graduated with a business degree, and composer Hoagy Carmichael got a law degree from the school.

Actor Bruce Willis’ films include “Die Hard” and “The Whole Nine Yards.” What musical instrument does Willis play?

A) Harmonica

B) Violin

C) Tuba

D) Vibraphone

Wednesday’s answer: Eugene O’Neill received four Pulitzer Prizes for Drama, more than any other American playwright.

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