Vint Cerf signed sketch of the Internet as it existed in 1977, a set of connections, both rudimentary and groundbreaking, between PRNET (Packet Radio Network), ARPANET (Advanced Research Projects Agency Network) and SATNET (Atlantic Packet Satellite Network). Cerf is one of the men credited with inventing the Internet along with Bob Kahn, both of whom won the Turing Award in 2004, the highest achievement in computer science. Sketch measures 10'' x 8'', completed by Cerf in black felt-tip on card stock. Near fine condition.