Robert Pike is a Canadian software engineer and author. He is best known for his work at Bell Labs, where he was a member of the Unix team and was involved in the creation of the Plan 9 from Bell Labs and Inferno operating systems, as well as the Limbo programming language. He also co-developed the Blit graphical terminal for Unix; before that he wrote the first window system for Unix in 1981. Pike is the sole inventor named in AT&T's US patent 4,555,775 or "backing store patent" that is part of the X graphic system protocol and one of the first software patents. Over the years Pike has written many text editors; sam and acme are the most well known and are still in active use and development. Pike, with Brian Kernighan, is the co-author of The Practice of Programming and The Unix Programming Environment. With Ken Thompson he is the co-creator of UTF-8. Pike also developed lesser systems such as the vismon program for displaying images of faces of email authors. Pike also appeared once on Late Night with David Letterman, as a technical assistant to the comedy duo Penn and Teller. 

January 1st, 1956 in (Age 68)