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.