18. Jimi Hendrix playing with the 101st Airborne while stationed in Kentucky [1962]

19. John Lennon leads The Quarry Men . Paul Mccartney watches from the crowd on the day they would meet. [July 6, 1957]

20. U.S. chess prodigy, Bobby Fisher, plays 50 opponents simultaneously at a Hollywood hotel. He won 47, lost 1, and drew 2. [April 12, 1964]

21. Steve Jobs and Bill Gates discuss the future of the PC at Jobs' Palo Alto home. [1991]