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American Internet pioneer (born 1943) and one of 'the fathers of the Internet,' who developed TCP/IP technology and the first commercial email system. Original sketch by Vint Cerf of a diagram of the "National Internet, ca. 1977," which details the connection between the "PRNET," the "ARPANET," and the "SATNET," accomplished in black felt tip on a white 10 x 8 cardstock sheet by Cerf, who signs below. In very fine condition.
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