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 felt tip sketch of the "Basic Internet Architecture" accomplished by Cerf on a white 5 x 3 card, signed at the bottom, "Vint Cerf." The sketch shows a basic diagram of the connections between gateways, hosts, and networks. In very fine condition.
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