Rob Pike:

Another member of the Unix team, Rob Pike worked at Bell Labs from 1980 to 2002. Apart from his well- known contributions to Plan 9, the inferno operating systems and the Limbo programming language, Pike was the first to write a bitmap window system for Unix in 1981. He also co-developed Blit graphical terminal for Unix. Pike co-authored books called "The Practice of Programming and “The Unix Programming Environment" with Brian Kernighan. Today, Pike works as a Distinguished Engineer at Google.

Andrew Tanebaum:

Andrew Tanenbaum worked at Bell Labs from 1979 to 1982. In 1987, Tanenbaum wrote a Unix clone called Minix or the Mini-Unix, which later on became a worldwide phenomenon.  For the development of Minix, Tanenbaum has earned over two dozen awards, fellows and honorary doctorates and also authored half a dozen publications. At present, Tanenbaum works as a professor of computer science at Vrije Universiteit at Amsterdam in the Netherlands.

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