Andrew Tanenbaum worked summers at Bell Labs from 1979 to 1982. He wrote a Unix clone called Minix in 1987 to use as a practice operating system on the IBM PC. Minix (or Mini-Unix) became a worldwide phenomena. Tanenbaum has earned over two dozen awards, fellows, and honorary doctorates and authored half a dozen or so published textbooks. Tanenbaum is currently a professor of Computer Science at Vrije Universiteit at Amsterdam in the Netherlands.