Harry R. Lewis has been a Harvard CS professor — teaching both Bill Gates and Mark Zuckerberg — and the dean of Harvard college. Born in 1947, Lewis remembers flipping the 18 toggle switches on Harvard's PDP-4 back in 1966 — up ("click!") or down ("CLACK"). And he thinks there's a lesson for today from a time when "Computers... read full story
"Computers were experienced as physical things."