John Lennon (1960)
The first time Paul McCartney heard John Lennon play on stage in Liverpool, he knew the next chapter of his life. The guys decided to form a band, later called The Beatles, in 1960. They sought out the aid of George Harrison. —XFINITY Entertainment Staff (Photo by Evening Standard/Getty Images)
The opinions expressed are solely those of the author and do not necessarily reflect the views of Comcast.