Fernando J. Corbató

Fernando José "Corby" Corbató (July 1, 1926 – July 12, 2019) was an American computer scientist. He was known as a pioneer in the development of time-sharing operating systems and for creating the password system for computers.
Among many awards, Corbató received the Turing Award in 1990, "for his pioneering work in organizing the concepts and leading the development of the general-purpose, large-scale, time-sharing and resource-sharing computer systems".
In 2012, he was made a Fellow of the Computer History Museum "for his pioneering work on timesharing and the Multics operating system".
Corbató died on July 12, 2019 in Newburyport, Massachusetts from problems caused by diabetes at the age of 93.