Dennis Ritchie at the 1984 Usenix conferenceDennis Ritchie is a man who shaped much of todays technology.

in 1969,  a group of Bell Labs employees, Ken Thompson, Dennis Ritchie, Brian Kernighan, Douglas McIlroy and Joe Ossana wrote the frist Unix operating system. It was written entirely in Assembly language. By December 6 1972, the second version of Unix was released.

Also in 1969, Dennis Ritchie started work on a general purpose programming language for use on the Unix operating system. It was deemed complete in 1973, and by the end of 1973 Unix had been ported in its entirety to C.

Today C is one of the most widely used programming languages in the world and Unix is arguably the longest running and most prolific Operating System in the world.

Bye Dennis, we will remember you. You’ve earned your place in history.

Candle Vigil of Dennis Ritchie courtesy of desconcentrado on twitter

Join the conversation! 1 Comment

  1. I think meant C in the title, not C#. 🙂


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About Marc Rogers

Marc has been a hacker since the 80's and has worked in the security industry for almost 20 years. Some of Marc's professional highlights include a decade managing security in the operator Vodafone plc, and 5 years as working as the CSO for a real estate and asset management conglomerate in South Korea. Known as "Cyberjunky", "Cjunky" or just "CJ" in the hacker community Marc is the Head of Security and part of the CFP review board for DEF CON, the worlds largest hacker conference. After spending more than 15 years wrangling hackers, criminals and spooks Marc has seen it all. Sometimes several times at once. Professionally Marc uses his skills as a whitehat hacker and security evangelist to bring a positive outlook on security to today's global organizations. It's this outlook that Marc used when he helped put together the award winning BBC series "The Real Hustle". Today Marc works as the Principal Security Researcher for Lookout Mobile Security.