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Thomas Sypan
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Cai Lun
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Elias Howe
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Alexender Bell
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Nipkow
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Elster and Geitel
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Moore
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Vladimir Kosma Zworykin
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J.C.R Licklider
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Ancient Egyptians and Chinese-
Sepia is a dark fluid excreted by squid and octopi as a defense against predators