Is Andrew S. Tanenbaum A-List?
No — Andrew S. Tanenbaum is currently ranked B tier — a well-known figure with a strong career but not quite a household name.
Ranking Timeline
Published 'Operating Systems' textbook
Tanenbaum's textbook on operating systems became a standard in universities, increasing his recognition.
Created MINIX Operating System
MINIX, created for educational purposes, influenced Linux's development, boosting Tanenbaum's reputation.
Published 'Computer Networks' textbook
Another widely adopted textbook further solidified Tanenbaum's status in computer science education.
Debate with Linus Torvalds
Debates with Linus Torvalds helped spread more awareness and usage of MINIX
Retired from Vrije Universiteit
Tanenbaum retired as professor emeritus, continuing to update his textbooks.
Legacy as Computer Science Educator
Tanenbaum's textbooks and MINIX continue to influence computer science education globally.
Last updated: February 25, 2026