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Everyone surely knows incandescent lamps. without lights then this life will be complete darkness, only light candles will look. You also must know that the inventor of the incandescent lamp is Thomas Edison, but how is the actual history? Here is his review:

Born in the State of Milan, precisely in Ohio on the date February 11, 1847 M. 1854 his parents moved to Port Huron, Michigan. Edison also grew up there. As a child Edison could only attend school for 3 months. But the teacher warned small Edison that he could not learn in school and eventually his mother decided to teach himself Edison at home.
Thomas Alva Edison expelled from school. Incidentally mother worked as a teacher. This is done because when the Edison school, including students who are often left behind and he was considered a gifted student who did not.

In 1877 he invented the phonograpph. In the same year he occupied himself with the problemm that at that time the attention of many researchers that incandescent lamps. Therefore Edison devote energy and time, and spend the money as much as 40,000 dollars in the past two years to make a light bulb experiment. Finally, on October 21, 1879 was born the first electric incandescent lamp capable of burning for 40 hours.

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