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DuMont was an American scientist, inventor and broadcaster best known for improvements to the cathode ray tube for use in television receivers (beginning in 1931), and later as the founder of the DuMont television network.
DuMont later went on to found in 1946 the first television network to be licensed, the DuMont Television Network, initially by linking station WABD (named for DuMont) in New York City to station WTTG in Washington, DC.
DuMont died in 1965 and is buried in Mount Hebron Cemetery in Upper Montclair, New Jersey.
DuMont was second to enter the network TV business, establishing a link between its New York City and Washington, D.C. stations in 1945, ahead of both CBS and ABC, and not far behind the pioneering efforts of NBC.
DuMont developed the first long-lasting cathode ray tube, the basis of electronic television, and was first to offer a home television receiver to the public in 1939, exhibiting sets at the New York World's Fair that year.