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The greatest scientist

The greatest scientist

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The greatest scientist

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  1. The greatest scientist

  2. Thomas Alva Edison

  3. Background American scientist and inventor 11th February, 1847 the 7th and the last child mother(school teacher) father(grocery shopkeeper) started to talk at age 4 attended school for only 3 months

  4. Background suffered from ear problem built a science laboratory at basement at age 10 train accident at age 15 became a telegraph assistant at age 16

  5. Contributions phonograph kinetoscope telegraph light bulb kinetograph

  6. The structure of a bulb filament inert gas 惰性氣體 support wires wires (for electricity to pass through)