Thomas E. Murray Thomas E. Murray Thomas E. Murray (October 21, 1860 – July 21, 1929) was an American inventor and businessman who developed electric power plants for New York City as well as many electrical devices which influenced life around the world, including the dimmer switch and screw-in fuse. It has been said that he "invented everything from the power plant up to the light bulb". Murray is considered one of the most prolific inventors in history after Thomas Edison, holding 462 U.S. patents in his name. However, unlike Edison, Murray did not patent the work of others under his name; the
Theodore Miller Edison Theodore Miller Edison Theodore Miller Edison (July 10, 1898 – November 24, 1992) was an American businessman, inventor, and environmentalist. He was the fourth son and youngest child of inventor Thomas Edison, and founder of Calibron Industries, Inc.. He was the third child of Edison with his second wife, Mina Miller Edison. He was born on July 10, 1898 at Glenmont, the Edison home in Llewellyn Park in West Orange, New Jersey. He attended The Haverford School in Haverford, Pennsylvania, and later the Montclair Academy in Montclair, New Jersey, from which he graduated in 1916. Theodore ended his education at