Janusz (John) Antoni Brzozowski (May 10, 1935 - October 24, 2019) was a Polish-Canadian computer scientist and Distinguished Professor Emeritus at the University of Waterloo's David R.
Cheriton School of Computer Science.In 1962, Brzozowski earned his PhD in the field of electrical engineering at Princeton University under Edward J.
McCluskey.
The topic of the thesis was Regular Expression Techniques for Sequential Circuits.
From 1967 to 1996 he was Professor at the University of Waterloo.
He is known for his contributions to mathematical logic, circuit theory, and automata theory.