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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 the “1977 Internet,” accomplished in felt tip on a white 6 x 4 sheet, signed at the bottom, "Vint Cerf." The sketch shows a basic diagram of the connections between gateways, hosts, and stations. In fine condition. Encapsulated in a Beckett authentication holder.