The Free On-line Dictionary of Computing (30 December 2018):
Andrew S. Tanenbaum
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.