William Arthur Martin (1938-1981) was a computer scientist from Oklahoma City, Oklahoma. After graduating from Northwest Classen High School, where he was a state wrestling champion, he attended MIT where he received a bachelor's degree (1960), master's (1962) and a Ph.D. (1967) in electrical engineering under supervision of Marvin Minsky, with a dissertation on Symbolic Mathematical Laboratory. He joined MIT as an assistant professor of electrical engineering in 1968 and was promoted to associate professor in 1972. In 1975, he received tenure. He held a joint appointment at the MIT Sloan School of Management. His research pulled him towards the Project MAC, which became the Laboratory for Computer Science and the Artificial Intelligence Laboratory, where he researched expert systems. Martin co-founded the Macsyma project in 1968 and directed it until 1971. Macsyma later became a successful commercial product and is the core of the free Maxima system. Martin then worked in automatic programming, knowledge representation and natural language processing.