Janusz A. Brzozowski

Janusz John Antoni Brzozowski (May 10, 1935 – October 24, 2019) was a Polish-Canadian computer scientist. He was a Distinguished Professor Emeritus at the University of Waterloo's David R. Cheriton School of Computer Science.
From 1967 to 1996 he was Professor at the University of Waterloo. He was known for his works to mathematical logic, circuit theory, and automata theory.
Brzozowski died of cancer at his home in Waterloo, Ontario on October 24, 2019 at the age of 84.