John Lennon: A Liverpool-born singer-songwriter, musician, and activist, Lennon became one of the most influential figures in popular music history as the frontman and rhythm guitarist of The Beatles. His songwriting partnership with Paul McCartney produced some of the most iconic songs of the 20th century, revolutionizing the world of rock and roll. Beyond his musical contributions, Lennon was also a vocal advocate for peace and social justice, leaving a lasting legacy that continues to inspire millions worldwide.