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The Transistor mid 1940s - mid 1960s John Bardeen, William Shockley, and Walter Brittain: The First Transistor (1946) IBM: The IBM 7090 (used by US Air Force for early warning system) (1959) John F. Kennedy (1961) Elvis Presley - Rock Star 1947: Chuck Yeager broke sound barrier. 1950: Korean War. 1963: John F. Kennedy assassinated.  \ Vacuum tube, transistor, telephone relay, photo of inventors, courtesy of http://www.lucent.com Photo of Lucille Ball, courtesy of http://www.geocities.com Photo of John F. Kennedy, courtesy of http://www.angelfire.com Conchine armchairs, courtesy of http://www.zen.it/nuovafustex/furniture-picture_1.htm Nifty Fifties Barbie, courtesy of http://www.barbiebazaar.com Chairs, courtesy of Nuova Fustex, http://www.zen.it/nuovafustex/ Taemi An