Former Beatle John Lennon would have turned 73 on Oct. 9, 2013. Take a look at Lennon's life and career, from The Beatles and beyond.
The year 1964 saw "Beatlemania" hit with full force, with the soundtrack to "A Hard Day's Night" coming out in June and going to No. 1 in the United States. Lennon is seen in the top row of photographs on the album's cover here.