Ken Thompson
Foundations
Led early Unix implementation and created B, a predecessor of C.
Reviewed: 2026-10-16

Ken Thompson — developed → Unix
Date: 1969
Dennis Ritchie’s first-person history.
https://www.nokia.com/bell-labs/about/dennis-m-ritchie/hist.html

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