Dennis Ritchie

1941 - 2011

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Dennis MacAlistair Ritchie (September 9, 1941 – c. October 12, 2011) was an American computer scientist. He created the C programming language and, with long-time colleague Ken Thompson, the Unix operating system and B programming language. Read more on Wikipedia

Since 2007, the English Wikipedia page of Dennis Ritchie has received more than 2,317,661 page views. His biography is available in 80 different languages on Wikipedia (up from 78 in 2019). Dennis Ritchie is the 4th most popular computer scientist (up from 5th in 2019), the 514th most popular biography from United States (down from 499th in 2019) and the 2nd most popular American Computer Scientist.

Dennis Ritchie is most famous for his work on the C programming language and the Unix operating system.

Memorability Metrics

  • 2.3M

    Page Views (PV)

  • 74.41

    Historical Popularity Index (HPI)

  • 80

    Languages Editions (L)

  • 7.07

    Effective Languages (L*)

  • 5.17

    Coefficient of Variation (CV)

Page views of Dennis Ritchies by language


Among computer scientists, Dennis Ritchie ranks 4 out of 205Before him are Alan Turing, Grace Hopper, and Tim Berners-Lee. After him are Richard Stallman, Donald Knuth, Edsger W. Dijkstra, Niklaus Wirth, Lotfi A. Zadeh, John McCarthy, Linus Torvalds, and Edgar F. Codd.

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Among people born in 1941, Dennis Ritchie ranks 28Before him are Art Garfunkel, Franco Nero, Fausto Cercignani, Tadao Ando, Julia Kristeva, and Faye Dunaway. After him are Václav Klaus, Ahmet Necdet Sezer, Ryan O'Neal, Charlie Watts, Flórián Albert, and Laura Antonelli. Among people deceased in 2011, Dennis Ritchie ranks 16Before him are Sathya Sai Baba, Wangari Maathai, Joe Frazier, Sócrates, Svetlana Alliluyeva, and Ramiz Alia. After him are Simon van der Meer, Ágota Kristóf, Burhanuddin Rabbani, Gary Moore, Flórián Albert, and Sidney Lumet.

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In United States

Among people born in United States, Dennis Ritchie ranks 514 out of 15,968Before him are Michelle Pfeiffer (1958), Terrence Malick (1943), Jack Kilby (1923), Robert A. Heinlein (1907), Kris Jenner (1955), and George A. Romero (1940). After him are Allen Ginsberg (1926), William Holden (1918), Babe Ruth (1895), Jim Jones (1931), Michael Landon (1936), and Lou Reed (1942).


Among computer scientists born in United States, Dennis Ritchie ranks 2Before him are Grace Hopper (1906). After him are Richard Stallman (1953), Donald Knuth (1938), John McCarthy (1927), Ken Thompson (1943), Ray Kurzweil (1948), Andrew S. Tanenbaum (1944), Vint Cerf (1943), George Dantzig (1914), Larry Page (1973), and Alan Kay (1940).