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Acheson, Edward Goodrich

Born: 1856 AD
Died: 1931 AD
4 (80%) 8 votes

1856 – He was born on the 9th of March  in Washington, Pennsylvania.

1880 – Thomas Edison put him to work on the 12th of September at his Menlo Park,
            New Jersey laboratory under John Kruesi.

1884 – He left Edison and became supervisor at a plant competing to manufacture electric lamps.

       – He heated a mixture of clay and coke in an iron bowl with a carbon arc light
           and found some shiny, hexagonal crystals (silicon carbide) attached to the carbon electrode.

1891 – He built an electricity plant in Port Huron at the suggestion of Edison, and used
            the electricity to experiment with carborundum.

1893 – On the 28th of February, he received a patent on this highly effective abrasive.

       – Throughout his life, he received 70 patents relating to abrasives, graphite
           products, reduction of oxides, and refractories.

1931 – He died on the 6th of July in New York City.

1997 – He was inducted into the National Inventors Hall of Fame.

4 (80%) 8 votes