Forrester, Jay W.

The development of Whirlwind I, one of the first large-scale high-speed computers, began during World War II as part of a research project to develop a universal flight trainer that would simulate flight (the Aircraft Stability and Control Analyzer project). It was initiated by the Office of Naval Research and began at the Massachusetts Institute of Technology Servomechanisms Laboratory in 1944. Eventually the focus of the grant, a flight simulator (using an analog computer), changed to developing a high-speed digital computer. While building the computer, researcher Jay W. Forrester invented random-access, coincident-current magnetic storage, which became the standard memory device for digital computers. For this he was granted a patent in 1956. Prior to Forrester's discovery, electrostatic storage tubes were used. The introduction and change to magnetic core memory provided high levels of speed and of reliability.

A public announcement was made in late 1951 that the computer known as Whirlwind I was operational and available for scientific and military research. In 1951 Project Whirlwind was detached from the Servomechanisms Lab to become the Massachusetts Institute of Technology Digital Computer Laboratory. Unclassified research projects using the Whirlwind I computer were managed by the Digital Computer Lab staff on the MIT campus, where Whirlwind I occupied the Barta Building (N42), which had been acquired in 1947 to provide sufficient space for the computer as it was designed and constructed. In 1952 staff working on classified projects left to be part of the newly organized Lincoln Laboratory off campus, to form Division 6, Digital Computer Division. Although their projects were classified, the Whirlwind computer itself was not, and remained in the Barta Building. Jay Forrester served as director of both the Digital Computer Laboratory and Division 6, Lincoln Laboratory until 1956, when he became a member of the MIT faculty pursuing interests in system dynamics in management. Robert Everett served as associate director of both labs until he succeeded Forrester as director.

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