Thomas EdisonThomas Edison ((American Inventor, 1847 -1931 American Inventor, 1847 -1931 ))

√ Thomas Alva Thomas Alva Edison was born Edison was born on February 11, on February 11, 1847 in Milan, 1847 in Milan, Ohio. .

√ With only three months of formal education he became one of the greatest inventors and industrial leaders in history.

Edison's greatest contribution Edison's greatest contribution was the first practical electric was the first practical electric lighting. He invented the first lighting. He invented the first successful electric light bulbsuccessful electric light bulb. .

EdisonEdison also also invented the invented the phonograph, and made phonograph, and made improvements to the telegraph, improvements to the telegraph, telephone and motion picture telephone and motion picture technology.technology.

Edison was also a good Edison was also a good businessman. He not only businessman. He not only designed important new devices, designed important new devices, he created companies worldwide he created companies worldwide for the manufacture and sale of for the manufacture and sale of his inventions.his inventions.

Edison had great faith in progress Edison had great faith in progress and industry, and valued long, hard and industry, and valued long, hard work. He used to sawork. He used to say:y:

““Genius was 1 percent Genius was 1 percent inspiration inspiration and 99 percent and 99 percent perspiration.” perspiration.”