Zworykin, Vladimir Kosma - World Encyclopedia

Zworykin, Vladimir Kosma (1889–1982) US physicist and inventor, b. Russia. A pioneer of television, in 1929 Zworykin joined the Radio Corporation of America (RCA), becoming its director of electronic development and (in 1947) a vice president. Zworykin and his colleagues developed the iconoscope, the forerunner of the modern television camera tube, and the kinescope, a cathode-ray tube for TV sets. In 1928, he patented a colour television system. He also invented the electron microscope and developed a secondary emission multiplier for a sensitive radiation detector. In 1967, Zworykin received the National Medal of Science for his inventions and contributions to medical research.