Analysis of information sources in references of the Wikipedia article "University of Pittsburgh" in English language version.
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(help)Vladimir Zworykin, 62, Russian-born, Russian-trained physicist, the "father of television," who developed the iconoscope (eye) of the TV camera in 1923
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(help)Vladimir Zworykin, 62, Russian-born, Russian-trained physicist, the "father of television," who developed the iconoscope (eye) of the TV camera in 1923