Alfred Aho

“Al Aho was in fact an undergraduate at the University of Toronto a year ahead of me, he was a graduate student at Princeton a year ahead of me, he went to Bell Labs a year ahead of me, and we were in essentially almost adjacent offices at that point and he has been variously my boss and of course friend for, at this point creeping up on 60 years.”

“Fundamentally, computer science is a science of abstraction — creating the right model for thinking about a problem and devising the appropriate mechanizable techniques to solve it.”