John Winston Lennon (born in Liverpool, England, 9 October 1940 - died in New York City, United States, 8 December 1980 at the age of 40) is best known as a singer, songwriter, instrumentalist, writer and political activist known throughout the world as the leader of the Beatles. Lennon and Paul McCartney formed the most successful and successful songwriter partnership to date. Lennon with his cynicism and McCartney with his optimism complement each other very well. After the dissolution of the Beatles in 1970, he also had success with his solo career. One of his hits that is still very well known is Imagine, a song which later became one of the world's peace hymns.

Lennon also showed his rebellious nature and his cynical sense of humor in films such as A Hard Day's Night (1964), in books he wrote such as In His Own Write, press conferences and interviews. He uses his popularity for his activities as a peace activist, artist and writer.

Lennon was married twice, namely with Cynthia Powell in 1962 and Japanese artist Yoko Ono in 1969. She has two children, Julian Lennon (born 1963) and Sean Taro Ono Lennon (born 1975). He died in New York at the age of 40, shot by Mark Chapman, his crazy fan.