MIT [L1 ] is a highly prestigious university [L2 ] located in Boston, Massachusetts, in the United States, only a short distance down-river [L3 ] from Harvard University. Computing as practiced at MIT [L4 ] has long emphasized AI, Lisp and emacs. It was, at least at one time, the home for X Window System development work, and the main FTP repository for Usenet FAQs. RMS, Philip Greenspun, Norbert Wiener, Claude Shannon, Noam Chomsky, Steven Pinker, Vannevar Bush, Paul Samuelson, Hal Abelson, Marvin Minsky, Seymour Papert, Nicholas Negroponte, Sherry Turkle, Ivan Sutherland, Joseph Weizenbaum, ... are among the notables to have held long-lasting MIT positions.