Andy Tanenbaum
Andrew S. Tanenbaum, a person, professor of Computer Science, author of Minix (Unix-like) and Amoeba OSes.Of historical interest, from O'Reilly Online Catalog, Open Sources: Voices from the Open Source Revolution:
Of course, with respect to microkernel vs monolithic kernel systems, a principal theme in this debate, from the point of view of Tunes they are both wrong (see no-kernel).