Professor Andrew S. Tanenbaum (1941-) of the Vrije Universiteit, Amsterdam in The Netherlands. Tanenbaum is famous for his work and books on computer architecture, operating systems and networks. He wrote the textbook "Computer Networks", Second Edition, Prentice-Hall, 1981, which describes the International Standards Organisation, Open Systems Interconnection (ISO-OSI) network model. See Amoeba, Mac-1, Mic-1, Mic-2, Micro Assembly Language, MINIX, MicroProgramming Language, standard.