Thomas Alva Edison

Self-taught scientist and inventor, Thomas Alva Edison was born in Milan, Ohio, United States, on February 11, 1847, from a family of Dutch and Scottish, with limited economic resources.

Was self taught scientist and inventor

The characterized for intelligence, sensitivity ,persistent and maturity

To the seven year attended for to school it cast to three months for lack of interest the study

Edison was an entrepreneur inventor U.S established more than a thousand inventions that contributed in U.S. and Europe

Sold newspaper in the train Port Huron to the twelve year old started to publish by his account,the Weekly Herald.

Read the work of scientific british. Whose reading you influenced very positively

Except to a child in the roads of train in .the father grateful you teach telegraphy

Edison with the support of J. U. Mackenzie,solicitius employment as telegraphist of railroad of Grand Trunk revoked and worked in the Western Union promoted of operator Second

In 1868 ,in New York obtained a job because repaired a telegraph indicator that noted the prices of gold in the bag

The 21 of October of 1879 built the first bulb that lasted 48 hours

Discovered the effect edison,established the foundations of the valve,of the radio and of the electronic.

Edison died when he was about 84,the 18 of october of 1931, in as tribute kept the lights off of several cities during a minute

PRINCIPAL ACHIEVENMENTS:

 1869 Lived in New York invents for WESTERN UNION the Edison printer (UNIVERSAL STOCK PRINTER. )

 In 1876 began to development the first research laboratory in Menlo Park

 1877 showed the first fonógrafo

 1879 bid the first practice of filament lamp

 1883 broadcast the effect Edison in New Jersey

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