Larry Lujack

“I’m just plain fantastic—the best damn rock-and-roll DJ of our time or any other time!” wrote Larry Lujack, a Chicago radio kingpin in the 1960s and ’70s, in his autobiography, Super Jock (1975). Lujack had the ratings to back up his braggadocio. Sweeping in from Seattle (with a brief, unhappy stop in Boston) in 1967, he bounced between Chicago’s dueling rock stations, WLS and WCFL, which made him the object of high-priced bidding wars until...