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Sir Isaac Shoenberg (b. March 1, 1880, Pinsk, Russia [now in Belarus] d. Jan. 25, 1963, London, Eng.), principal inventor of the first high-definition television system, which was used by the British Broadcasting Corporation (BBC) for the world's first public high-definition telecast (from London, 1936).

Before emigrating to England in 1914, Shoenberg had installed the first radio stations in Russia. He headed a research group for the British firm of Electric and Musical Industries (EMI) that developed (1931-35) an advanced kind of camera tube (the Emitron) and a relatively efficient hard-vacuum cathode-ray tube for the television receiver.

Until 1964 the BBC adhered to the technical standards he had proposed: 405 scanning lines and 25 flickerless pictures a second. Shoenberg was knighted in 1962.

Source: Britannica Online

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