Forever young: 5 things you should know about Bob Dylan on his 75th birthday

Robert Allen Zimmerman was born on May 24, 1941, in Duluth, Minnesota. He's better known as Bob Dylan, the man who revolutionized popular music with his words, voice, and vision. In honor of Dylan's birthday, here are five things you should know about the rock legend. 1. The turning point in Dylan's career was a New York Times review by Robert Shelton in September 1961. It led to his contract with Columbia Records. 2. His mid-1960s trilogy of Bringing It All Back Home, Highway 61 Revisited, and Blonde on Blonde ranks as one of the most respected back-to-back-to-back outputs in rock history. 3. Dylan's so-called Never Ending Tour started in 1988. It has featured more than 2,700 concerts. His longest break from the tour was three months. He averages 100 shows annually. 4. Dylan's lyrics have been popular in U.S. legal opinions and briefs written by judges and lawyers. According to a 2007 study, Dylan lyrics were cited 186 times, compared with 74 by the Beatles, who were runners-up. 5. Dylan received 11 Grammys and a Pulitzer Prize special citation. He has been inducted into the Rock and Roll Hall of Fame, and among his other acknowledgements, is the Presidential Medal of Freedom.