biography of thomas edison

Biography of Thomas Edison: Thomas Alva Edison was an American inventor who was born in Milan, Ohio on February 11, 1847. He went to school for only three months in Port Huron, when he was 12 years old he began selling newspapers on the Grand Trunk Railway. In 1862 he published a weekly paper known as the Grand Trunk Herald where he printed it in a freight car that was also used as a laboratory. Because he saved the …

…a rapid movement of pictures. Edison also invented a battery . He also invented a gramophone where sound was no longer stored in cylinders but on discs. By combining his gramophone and kinetoscope he created the first sound film in 1913. In 1915 he was appionted president of the United States Navy Consulting Board.His later work consisted mainly in improving his earlier inventions. He made around 1000 inventions throughout his life. Edison died in West Orange on October 18, 1931