June 25, 1990: Died:John Caples TIME--The Weekly Newsmagazine--1990 June 25, 1990 Who Gives A Hoot?
Time Magazine MILESTONES, Page 53

DIED. John Caples, 90, advertising executive; in New York City. A young copywriter in 1925, Caples concocted the line THEY LAUGHED WHEN I SAT DOWN AT THE PIANO BUT WHEN I STARTED TO PLAY! to drum up business for the U.S. School of Music.