Carl Hewitt

Carl E. Hewitt is an Associate Professor (Emeritus) in the Electrical Engineering and Computer Science department at the Massachusetts Institute of Technology (MIT). Hewitt obtained his PhD in mathematics at MIT in 1971, under the supervision of Seymour Papert, Marvin Minsky, and Mike Paterson. He is known for his design of Planner , which was the first Artificial Intelligence programming language based on procedural plans that were invoked using pattern-directed invocation from assertions and goals. He is also known for his work on the Actor model of computation, which influenced the development of the Scheme programming language and the π calculus, and served as an inspiration for several other programming languages. Hewitt's publications also include contributions in the areas of comparative schematology ,  garbage collection, programming language design and implementation, open information systems , Organizations of Restricted Generality (ORGs) , negotiation forums, and multi-agency systems.
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