Sadly, Professor Fernando Corbató (Corby) has passed. I am waiting for a non-paywalled article to appear before linking anything.
Corby believed in computing as a multi-user “information utility” and his work inspired many to greatly improve computing technology from the 1960’s onward. Much of what we use today ties back to his team’s work.
Check out the Multics Simulator when you have time: http://multicians.org/
Rest In Peace.