Career
While obtaining those degrees, he worked as a teaching assistant at Massachusetts Institute of Technology (beginning in 1960). He became an assistant professor in 1968 and was promoted to associate professor of electrical engineering in 1972. In 1975, he received academic tenure.
He held a joint appointment at the Massachusetts Institute of Technology 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 After finishing a Doctor of Philosophy dissertation on symbolic mathematics, Martin co-founded the Macsyma project in 1968 and directed it until 1971.
Macsyma later became a successful commercial product and is also the core of the free Maxima system. Martin then worked in automatic programming, knowledge representation and natural language processing.