Dennis Ritchie
Foundations
Helped develop Unix and created C, later documenting the design decisions and collaborators.
Reviewed: 2026-10-16

Dennis Ritchie — co-developed → Unix
Date: 1969
First-person history.
https://www.nokia.com/bell-labs/about/dennis-m-ritchie/hist.html

Dennis Ritchie — created → C programming language
Date: 1971–1973
First-person language history.
https://www.nokia.com/bell-labs/about/dennis-m-ritchie/chist.html

Dennis Ritchie — researcher at → Bell Laboratories
Date: 1969
Historical role.
https://www.nokia.com/bell-labs/about/dennis-m-ritchie/hist.html