The New York Times reported that Ritchie died on October 12 after a prolonged illness at age 70.
Ritchie died at his home over the weekend,
His Wikipedia entry was updated to say he had died in Murray Hill, N.J.
In addition to being the creator of C, Ritchie co-authored “The C Programming Language”, commonly referred to as K&R (after the authors, Brian Kernighan and Ritchie) and widely considered the definitive work on C. He also made significant contributions to the development of the Unix operating system, for which he received the Turing Award in 1983 along with Kenneth Thompson.
Dennis was well loved by his colleagues at Bell Labs, and will be greatly missed. He was truly an inspiration to all of us, not just for his many accomplishments, but because of who he was as a friend, an inventor, and a humble and gracious man.
Ritchie had the lifestyle and habits to match his position as an early guru of IT. Long-haired and bearded, and famously more owl than lark, he started work at midday in his industry-standard chaotic office, emerging late in the evening to go home and carry on working through to the small hours at the end of a leased line connected to the Bell Labs computers….