![]() ![]() ![]() Kleinrock’s thesis is also published as a seminal text on queuing theory. Baran is one of the first to publish, On Data Communications Networks. Paul Baran, Donald Davies, Leonard Kleinrock, and others proceed in parallel research. Simultaneous work on secure packet switching networks is taking place at MIT, the RAND Corporation, and the National Physical Laboratory in Great Britain. This project provides experience in the development of the SABRE air travel reservation system and later air traffic control systems. SAGE sites are used to direct air defense. Operators of ‘weapons directing consoles’ use a light gun to identify moving objects that show up on their radar screens. The SAGE (Semi Automatic Ground Environment), based on earlier work at MIT and IBM, is fully deployed as the North American early warning system. Leonard Kleinrock completes his doctoral dissertation at MIT on queuing theory in communication networks, and becomes an assistant professor at UCLA. In October, ‘Lick’ becomes the first head of the computer research program at ARPA, which he calls the Information Processing Techniques Office (IPTO). He is talking to his own ‘Intergalactic Network’ of researchers across the country. Licklider writes memos about his Intergalactic Network concept, where everyone on the globe is interconnected and can access programs and data at any site from anywhere. Ivan Sutherland uses the TX-2 to write Sketchpad, the origin of graphical programs for computer-aided design. At MIT, a wide variety of computer experiments are going on. ![]()
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