Computer superstar (Dennis Ritchie)'s death overlooked

This is an editorial by Ed Quillen, a Colorado resident, and Denver Post editorial page regular. He usually writes little home-spun wisdom editorials about Colorado issues. Odd to read him doing homage to Dennis Ritchie, particularly because his editorial-page headshot bears a very strong likeness to Ritchie himself.

"He began his career at Bell Labs, and that's where he (along with Brian Kernighan) developed the C programming language"<p>This is false right? I thought Ritchie was the sole inventor of C.