1. Thomas Edison (1847–1931) Edison filed over 1000 patents. He developed and innovated a wide range of products from the electric light bulb to the phonograph and motion picture camera.
2. The Wright Brothers Successfully designed, built and flew the first powered aircraft, showing that man could fly. One of most important inventions of Twentieth Century.
3. Benjamin Franklin (1705–1790) Polymath who discovered electricity and invented the Franklin stove. อ่านเพิ่มเติม
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