"Top 40" was the preeminent American radio format of the 1950s and 1960s. Although several radio station group owners offered their own versions of the format, the AM stations owned by Todd Storz and his father were acknowledged as the principal developers of Top 40 radio, and the prime movers in making it a nationwide ratings and revenue success. The Storz Stations in St. Louis, Omaha, New Orleans, Minneapolis-St. Paul, Kansas City, Oklahoma...