TELEPHONE - ALEXANDER GRAHAM BELL, LIGHT BULB - THOMAS EDINSON , COMPUTER - CHARLES BABBAGE, PAPER - CAI LUN, VIDEO GAMES - RALPH BAER, TELEVISION - JOHN LOGIE BAIRD, SOCCER BALL - CHARLES GOODYEAR, RADIO - GUILLERMO MARCONI, AIRPLANE - THE WRIGHT BROTHERS, MALARIA VACCINE - MANUEL ELKIN PATARROYO,

INVENTIONS BEFORE 2000

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