John Lennon was one of two lead singers of The Beatles. He was an incredible song writer and thinker. He put his ideals and thought into his music. The music he wrote was new and eccentric. The music that he developed along with the Beatles revolutionized the music industry and song writing.
Although an amazing man and artist he, as every tragic hero has flaws. He was very stubborn as an artist and fought with Paul and George pretty frequently over things such as perfection, ownership and mutiny. As a father, he wasn't very present in the life of his son Julian. He had pretty bad anger management problems too. His downfall came when he was shot By Mark David Chapman.