In memoriam – Corby Corbató, MIT computer science pioneer, dies at 93

Fernando José Corbató, Turing Award winner, computer scientist extraordinaire, MIT computer lab pioneer, RIP.
This is a companion discussion topic for the original entry at https://nakedsecurity.sophos.com/2019/07/13/in-memoriam-corby-corbato-mit-computer-science-pioneer-dies-at-93/