MIT Professor Emeritus Jack Dennis, pioneer in the development of dataflow models of computation, has died at age 94. The influential scholar was the original leader of the Computation Structures Group within MIT CSAIL.

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Jack Dennis, MIT Professor Emeritus and pioneering computer scientist, died on March 14 at age 94. He was the original leader of MIT CSAIL's Computation Structures Group and is best known for developing dataflow models of computation, which influenced parallel computing, functional programming, and computer architecture. Dennis also contributed to Project MAC and Multics, helping specify segment addressing and paging mechanisms for early time-shared systems. He received numerous honors including the ACM/IEEE Eckert-Mauchly Award (1984) and the IEEE John von Neumann Medal (2013), and shaped MIT's EECS curriculum through six foundational courses in computer theory and systems.

Professor Emeritus Jack Dennis, pioneering developer of dataflow models of computation, dies at 94