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    John Harrison, Solved Longitude - 1773  
John Harrison was a self-educated English carpenter and clockmaker. He invented the marine chronometer, a long-sought after device for solving the problem of establishing the East-West position or longitude of a ship at sea, thus revolution...
 
    Orville Wright, The Wright Brothers  
The Wright brothers, Orville (1871–1948) and Wilbur (1867–1912), were two American brothers, inventors, and aviation pioneers who are credited with inventing and building the world's first successful airplane and making the first controlled...
 
       
         
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