Thomas Alva Edison - he and his invents

THOMAS ALVA EDISON ? general info
[his photo]
BORN: 11.02. 1847 Milan, Ohio, USA
DIED: 18.10.1931 West Orange, New Jersey, USA
OCCUPATION: Inventor, Entrepreneur
NATIONALITY: American
HIS MOST IMPORTANT INVENTS: Phonograph and light bulb
OTHER IMPORTANT NOTES: He improved Bell's phone. He arranged first institute of scientific-technical research in Menlo Park.
PHONOGRAPH:
(greek ? sound record)
First sound recorder and sound player.
BULB
Electricity lamp, popular on the world now.
THOMAS ALVA EDISON ? SHORT BIOGRAPHY
He was an american inventor, self-taught, framer of inventions from many domains (over 1000 patents!). From 1927 he was a member of national academy of Sciencie in Washington. He perfected Bell's phone, used reel inductive and carbon micro. Phonograph has devised in 1877, 1879 ? bulb electric. He has built first the light of for the public application in New York in 1881 and Power Station in 1882. He worked upon improvement of method of magnetic enrichment iron rud in 1891-1900. In 1904 he has built alkaline accumulator. He has organized first institute of scientific and technical research in Menlo Park. He was owner many enterprises in North America and Europe.