Celebrate Bruce Springsteen’s birthday with a look at him from his young days to today. Bruce Springsteen really is The Boss. The New Jersey rocker, born September 23, 1949, is an American songwriting icon known for his poetic lyrics, distinct voice, and high-energy live performances. After getting interested in the music of Elvis and Frank Sinatra, he bought his first guitar at 15. He began recording music in the 60s but didn’t find success until he…