| Adam Lindsay | — | Alive | programming languages | LOLCODE |
| Alan Cooper | — | Alive | programming languages | Visual Basic |
| Alex Medvednikov | — | Alive | programming languages | V |
| Andreas Kling | — | Alive | operating systems | SerenityOS |
| Andreas Rumpf | — | Alive | programming languages | Nim |
| Andrew Kelley | — | Alive | programming languages | Zig |
| Arthur Whitney | — | Alive | programming languages | K |
| Ary Borenszweig | — | Alive | programming languages | Crystal |
| Ben Olmstead | — | Alive | programming languages | Malbolge |
| Bill HallgingerBill | — | Alive | programming languages | Odin |
| Bruce Horn | — | Alive | operating systems | — |
| Chandler Carruth | — | Alive | programming languages | Carbon |
| Chris Lattner | — | Alive | programming languages | Swift Mojo |
| Chris Pressey | — | Alive | programming languages | Befunge |
| Dan Dodge | — | Alive | operating systems | QNX |
| David Madore | — | Alive | programming languages | Unlambda |
| David May | — | Alive | programming languages | occam |
| David Morgan-Mar | — | Alive | programming languages | Piet |
| David Ungar | — | Alive | programming languages | Self |
| Don Syme | — | Alive | programming languages | F# |
| Drew DeVault | — | Alive | programming languages | Hare |
| Edwin Brady | — | Alive | programming languages | Whitespace Idris |
| Evan Czaplicki | — | Alive | programming languages | Elm |
| Fredrik Hübinette | — | Alive | programming languages | Pike |
| Gert Smolka | — | Alive | programming languages | Oz |
| James Strachan | — | Alive | programming languages | Groovy |
| Jeff Bezanson | — | Alive | programming languages | Julia |
| Jeffrey Snover | — | Alive | programming languages | PowerShell |
| Jim Hall | — | Alive | operating systems | FreeDOS |
| José Valim | — | Alive | programming languages | Elixir |
| Juan Linietsky | — | Alive | programming languages | GDScript |
| Jules Schwartz | — | Dead | programming languages | JOVIAL |
| Jürg Billeter | — | Alive | programming languages | Vala |
| Kasper Lund | — | Alive | programming languages | Dart |
| Lars Bak | — | Alive | programming languages | Dart |
| Leo Geurts | — | Alive | programming languages | ABC |
| Leonardo de Moura | — | Alive | programming languages | Lean |
| Louis Pilfold | — | Alive | programming languages | Gleam |
| Luca Cardelli | — | Alive | programming languages | Modula-3 |
| Luiz Henrique de Figueiredo | — | Alive | programming languages | Lua |
| Manfred von Thun | — | Alive | programming languages | Joy |
| Matthew Dillon | — | Alive | operating systems | DragonFly BSD |
| Mike Cowlishaw | — | Alive | programming languages | REXX |
| Neil Pappalardo | — | Alive | programming languages | MUMPS |
| Nenad Rakočević | — | Alive | programming languages | Red |
| Nicolas Cannasse | — | Alive | programming languages | Haxe |
| Patricia Selinger | — | Alive | databases | — |
| Paul Falstad | — | Alive | programming languages | Z shell |
| Paul Laughton | — | Alive | operating systems | Apple DOS |
| Randall B. Smith | — | Alive | programming languages | Self |
| Rich Hickey | — | Alive | programming languages | Clojure |
| Robert Virding | — | Alive | programming languages | Erlang |
| Rocky L. Oliver | — | Alive | programming languages | AdaLog MALBR RockyBASIC AdaLogic BASIC |
| Satoshi Nakamoto | — | Alive | Cryptography | Bitcoin: A Peer-to-Peer Electronic Cash System |
| Slava Pestov | — | Alive | programming languages | Factor |
| Stefan Karpinski | — | Alive | programming languages | Julia |
| Steve Dekorte | — | Alive | programming languages | Io |
| Sylvan Clebsch | — | Alive | programming languages | Pony |
| Ulf Norell | — | Alive | programming languages | Agda |
| Urban Müller | — | Alive | programming languages | Brainfuck |
| Ville Turjanmaa | — | Alive | operating systems | MenuetOS |
| Viral Shah | — | Alive | programming languages | Julia |
| Waldemar Celes | — | Alive | programming languages | Lua |
| Wayne Ratliff | — | Alive | programming languages | dBase |
| Zoltan Somogyi | — | Alive | programming languages | Mercury |
| minexew | — | Alive | operating systems | Shrine |
| Charles Babbage | 1791–1871 | Dead | computing | — |
| Ada LovelaceAugusta Ada King, Countess of Lovelace | 1815–1852 | Dead | computing | — |
| George Boole | 1815–1864 | Dead | theory | — |
| Herman Hollerith | 1860–1929 | Dead | Data processing | Tabulating Machine Company |
| Thomas J. Watson Sr. | 1874–1956 | Dead | Business | — |
| Vannevar Bush | 1890–1974 | Dead | Engineering | As We May Think |
| Norbert Wiener | 1894–1964 | Dead | theory | — |
| Emil Post | 1897–1954 | Dead | theory | — |
| Haskell Curry | 1900–1982 | Dead | theory | — |
| Howard Aiken | 1900–1973 | Dead | computing | — |
| Alonzo Church | 1903–1995 | Dead | theory | An Unsolvable Problem of Elementary Number Theory |
| John von NeumannNeumann János | 1903–1957 | Dead | theory | IAS Machine |
| Tommy Flowers | 1905–1998 | Dead | Hardware | Colossus |
| Grace HopperAmazing Grace | 1906–1992 | Dead | programming languages | A-0 System FLOW-MATIC COBOL |
| Kurt Gödel | 1906–1978 | Dead | theory | — |
| John Mauchly | 1907–1980 | Dead | computing | ENIAC Eckert–Mauchly Computer Corporation Short Code UNIVAC I |
| Stephen Cole Kleene | 1909–1994 | Dead | theory | — |
| Konrad Zuse | 1910–1995 | Dead | computing | Zuse Z1 Zuse KG Zuse Z3 Plankalkül |
| Frederic Calland Williams | 1911–1977 | Dead | Hardware | Manchester Baby Manchester Mark 1 |
| Alan Turing | 1912–1954 | Dead | theory | On Computable Numbers Pilot ACE |
| Maurice Wilkes | 1913–2010 | Dead | computing | EDSAC |
| J. C. R. LickliderRobert Licklider | 1915–1990 | Dead | networking | Man-Computer Symbiosis |
| Adriaan van Wijngaarden | 1916–1987 | Dead | programming languages | ALGOL 68 |
| Christopher Strachey | 1916–1975 | Dead | programming languages | CPL Fundamental Concepts in Programming Languages |
| Claude Shannon | 1916–2001 | Dead | theory | A Mathematical Theory of Communication |
| Herbert Simon | 1916–2001 | Dead | Artificial intelligence | The Logic Theory Machine |
| J. Presper Eckert | 1919–1995 | Dead | computing | ENIAC Eckert–Mauchly Computer Corporation UNIVAC I |
| Bob Bemer | 1920–2004 | Dead | computing | COMTRAN |
| Kenneth E. Iverson | 1920–2004 | Dead | programming languages | APL J |
| Tom Kilburn | 1921–2001 | Dead | Hardware | Manchester Baby Manchester Mark 1 |
| Alan Perlis | 1922–1990 | Dead | programming languages | — |
| J. C. ShawCliff Shaw | 1922–1991 | Dead | programming languages | JOSS |
| Edgar F. Codd | 1923–2003 | Dead | databases | A Relational Model of Data for Large Shared Data Banks |
| Joseph Weizenbaum | 1923–2008 | Dead | ai | — |
| Charles Bachman | 1924–2017 | Dead | databases | — |
| Donald Davies | 1924–2000 | Dead | networking | — |
| John Backus | 1924–2007 | Dead | programming languages | FORTRAN ALGOL 60 FP Can Programming Be Liberated from the von Neumann Style? |
| Alick Glennie | 1925–2003 | Dead | programming languages | Autocode |
| Douglas Engelbart | 1925–2013 | Dead | computing | Augmenting Human Intellect: A Conceptual Framework |
| John Cocke | 1925–2002 | Dead | computing | — |
| Seymour Cray | 1925–1996 | Dead | Hardware | CDC 6600 Cray Research Cray-1 |
| Tony BrookerRalph Anthony Brooker | 1925–2019 | Dead | programming languages | — |
| Fernando CorbatóCorby | 1926–2019 | Dead | operating systems | CTSS Multics |
| John G. Kemeny | 1926–1992 | Dead | programming languages | Dartmouth BASIC |
| Ken Olsen | 1926–2011 | Dead | Hardware | Digital Equipment Corporation |
| Kristen Nygaard | 1926–2002 | Dead | programming languages | Simula |
| Paul Baran | 1926–2011 | Dead | networking | — |
| Allen Newell | 1927–1992 | Dead | Artificial intelligence | The Logic Theory Machine |
| David Wheeler | 1927–2004 | Dead | programming languages | — |
| John McCarthy | 1927–2011 | Dead | programming languages | LISP Recursive Functions of Symbolic Expressions |
| Marvin Minsky | 1927–2016 | Dead | ai | — |
| Robert Noyce | 1927–1990 | Dead | Semiconductors | Fairchild Semiconductor Intel |
| Wally Feurzeig | 1927–2013 | Dead | programming languages | Logo |
| Wes Clark | 1927–2016 | Dead | computing | — |
| Jean Sammet | 1928–2017 | Dead | programming languages | — |
| Peter Naur | 1928–2016 | Dead | programming languages | — |
| Seymour Papert | 1928–2016 | Dead | programming languages | Logo |
| Thomas E. Kurtz | 1928–2024 | Dead | programming languages | Dartmouth BASIC |
| Winston W. Royce | 1929–1995 | Dead | theory | — |
| Edsger W. Dijkstra | 1930–2002 | Dead | theory | Go To Statement Considered Harmful |
| Peter Landin | 1930–2009 | Dead | Programming languages | The Next 700 Programming Languages |
| Fred Brooks | 1931–2022 | Dead | operating systems | No Silver Bullet |
| Jack Dennis | 1931– | Alive | theory | — |
| Ole-Johan Dahl | 1931–2001 | Dead | programming languages | Simula |
| Douglas McIlroyDoug McIlroy | 1932– | Alive | operating systems | — |
| Frances Allen | 1932–2020 | Dead | programming languages | — |
| Gordon Bell | 1934–2024 | Dead | Hardware | — |
| Leonard Kleinrock | 1934– | Alive | networking | — |
| Niklaus Wirth | 1934–2024 | Dead | programming languages | ALGOL W Pascal Modula Modula-2 Oberon |
| Ralph Griswold | 1934–2006 | Dead | programming languages | SNOBOL Icon |
| Robin Milner | 1934–2010 | Dead | programming languages | ML Standard ML |
| Tony HoareC. A. R. Hoare | 1934– | Alive | theory | ALGOL W An Axiomatic Basis for Computer Programming Communicating Sequential Processes The Emperor's Old Clothes Rust |
| Cynthia Solomon | 1935– | Alive | programming languages | Logo |
| Richard Karp | 1935– | Alive | theory | — |
| Robert W. Floyd | 1936–2001 | Dead | theory | — |
| Larry Roberts | 1937–2018 | Dead | networking | — |
| Ted Nelson | 1937– | Alive | web | — |
| Bob KahnRobert Kahn | 1938– | Alive | networking | A Protocol for Packet Network Intercommunication |
| Charles H. MooreChuck Moore | 1938– | Alive | programming languages | Fairchild Semiconductor Intel Forth |
| Donald Knuth | 1938– | Alive | theory | The Art of Computer Programming, Vol. 1 Literate Programming |
| Ivan Sutherland | 1938– | Alive | Computer graphics | Sketchpad: A Man-Machine Graphical Communication System |
| Per Brinch Hansen | 1938–2007 | Dead | programming languages | — |
| Barbara Liskov | 1939– | Alive | programming languages | CLU |
| Charles GeschkeChuck Geschke | 1939–2021 | Dead | programming languages | PostScript |
| Cleve Moler | 1939– | Alive | programming languages | MATLAB |
| John Hopcroft | 1939– | Alive | theory | — |
| Stephen Cook | 1939– | Alive | theory | — |
| William Wulf | 1939–2023 | Dead | programming languages | BLISS |
| Alan Kay | 1940– | Alive | programming languages | Smalltalk A Personal Computer for Children of All Ages The Early History of Smalltalk |
| Elizabeth Rather | 1940– | Alive | programming languages | — |
| Jean Ichbiah | 1940–2007 | Dead | programming languages | Ada |
| John Warnock | 1940–2023 | Dead | programming languages | Adobe Systems PostScript |
| Martin Richards | 1940– | Alive | programming languages | BCPL |
| Alain Colmerauer | 1941–2017 | Dead | programming languages | Prolog |
| Alfred Aho | 1941– | Alive | programming languages | AWK |
| David Parnas | 1941– | Alive | theory | On the Criteria To Be Used in Decomposing Systems into Modules |
| Dennis Ritchie | 1941–2011 | Dead | programming languages | B C The UNIX Time-Sharing System The Development of the C Language |
| John M. Chambers | 1941– | Alive | programming languages | S |
| Leslie Lamport | 1941– | Alive | theory | Time, Clocks, and the Ordering of Events in a Distributed System |
| Ray Tomlinson | 1941–2016 | Dead | networking | — |
| Robert Kowalski | 1941– | Alive | programming languages | — |
| Brian Kernighan | 1942– | Alive | programming languages | AWK |
| Dave Cutler | 1942– | Alive | operating systems | Windows NT / Windows |
| Gary Kildall | 1942–1994 | Dead | operating systems | Digital Research CP/M |
| Jeffrey Ullman | 1942– | Alive | theory | — |
| Peter J. Denning | 1942– | Alive | theory | — |
| Peter Weinberger | 1942– | Alive | programming languages | AWK |
| Butler Lampson | 1943– | Alive | operating systems | Hints for Computer System Design |
| Chuck Thacker | 1943–2017 | Dead | computing | — |
| David Korn | 1943– | Alive | programming languages | KornShell |
| Jon Postel | 1943–1998 | Dead | networking | RFC 791: Internet Protocol |
| Ken Thompson | 1943– | Alive | operating systems | B Research Unix The UNIX Time-Sharing System Reflections on Trusting Trust Plan 9 from Bell Labs Go |
| Michael Stonebraker | 1943– | Alive | databases | — |
| Vint Cerf | 1943– | Alive | networking | A Protocol for Packet Network Intercommunication |
| Andrew S. Tanenbaum | 1944– | Alive | operating systems | MINIX |
| Brad Cox | 1944–2021 | Dead | programming languages | Objective-C |
| Dan Ingalls | 1944– | Alive | programming languages | Smalltalk |
| Don Chamberlin | 1944– | Alive | databases | SQL |
| Jean-Louis Gassée | 1944– | Alive | operating systems | BeOS |
| Jim Gray | 1944–2012 | Dead | databases | — |
| P. J. Plauger | 1944– | Alive | programming languages | — |
| Richard GreenblattRicky Greenblatt | 1944– | Alive | operating systems | ITS Lisp Machines, Inc. |
| Stephen Bourne | 1944– | Alive | programming languages | Bourne shell |
| Adele Goldberg | 1945– | Alive | programming languages | Smalltalk |
| Larry Tesler | 1945–2020 | Dead | computing | — |
| Lee Felsenstein | 1945– | Alive | computing | — |
| Philippe Roussel | 1945– | Alive | programming languages | Prolog |
| Bob Metcalfe | 1946– | Alive | networking | — |
| David Turner | 1946– | Alive | programming languages | Miranda |
| Gilles Kahn | 1946–2006 | Dead | theory | — |
| L. Peter Deutsch | 1946– | Alive | programming languages | — |
| ArvindArvind Mithal | 1947–2024 | Dead | theory | — |
| David H. D. Warren | 1947– | Alive | programming languages | — |
| Gerald Jay Sussman | 1947– | Alive | programming languages | Scheme Lambda: The Ultimate Imperative |
| Hal AbelsonHarold Abelson | 1947– | Alive | programming languages | — |
| Ray Boyce | 1947–1974 | Dead | databases | SQL |
| Charles Simonyi | 1948– | Alive | computing | — |
| Robert Tarjan | 1948– | Alive | theory | — |
| Richard P. Gabriel | 1949– | Alive | programming languages | Lisp: Good News, Bad News, How to Win Big |
| Bertrand Meyer | 1950– | Alive | programming languages | Eiffel |
| Bjarne Stroustrup | 1950– | Alive | programming languages | C++ |
| Joe Armstrong | 1950–2019 | Dead | programming languages | Erlang |
| Steve WozniakWoz | 1950– | Alive | computing | Apple Computer Apple I Apple II |
| Bill Atkinson | 1951–2025 | Dead | operating systems | HyperTalk |
| Dan Bricklin | 1951– | Alive | computing | — |
| Andy Hertzfeld | 1953– | Alive | operating systems | — |
| Paul Allen | 1953–2018 | Dead | Business | Microsoft |
| Phil Moorby | 1953–2022 | Dead | programming languages | Verilog |
| Richard Stallmanrms | 1953– | Alive | operating systems | The GNU Manifesto |
| Roger Hui | 1953–2021 | Dead | programming languages | J |
| Bill JoyVinod Khosla's partner in Sun | 1954– | Alive | operating systems | C shell Sun Microsystems |
| Guy L. Steele Jr. | 1954– | Alive | programming languages | Scheme Lambda: The Ultimate Imperative Fortress |
| John Ousterhout | 1954– | Alive | programming languages | Tcl |
| Larry Wall | 1954– | Alive | programming languages | Perl Raku |
| Ross Ihaka | 1954– | Alive | programming languages | R |
| Bill Gates | 1955– | Alive | operating systems | Microsoft |
| James Gosling | 1955– | Alive | programming languages | Java |
| Steve Jobs | 1955–2011 | Dead | operating systems | Apple Computer NeXT |
| Tim Berners-Lee | 1955– | Alive | web | Information Management: A Proposal |
| Guido van Rossum | 1956– | Alive | programming languages | Python |
| Mitchel ResnickMitch Resnick | 1956– | Alive | programming languages | Scratch |
| Rob Pike | 1956– | Alive | operating systems | Plan 9 from Bell Labs Go |
| Tim Paterson | 1956– | Alive | operating systems | MS-DOS |
| Carl Sassenrath | 1957– | Alive | programming languages | AmigaOS REBOL |
| Martin Odersky | 1958– | Alive | programming languages | Scala |
| Brian Fox | 1959– | Alive | programming languages | Bash |
| Robert Gentleman | 1959– | Alive | programming languages | R |
| Stephen Wolfram | 1959– | Alive | programming languages | Wolfram Language |
| Walter Bright | 1959– | Alive | programming languages | D |
| Anders Hejlsberg | 1960– | Alive | programming languages | Delphi C# TypeScript |
| Gilad Bracha | 1960– | Alive | programming languages | — |
| Roberto Ierusalimschy | 1960– | Alive | programming languages | Lua |
| Brendan Eich | 1961– | Alive | programming languages | JavaScript |
| Thierry Coquand | 1961– | Alive | programming languages | Rocq |
| Alan Edelman | 1963– | Alive | programming languages | Julia |
| Urs Hölzle | 1964– | Alive | programming languages | — |
| Yukihiro MatsumotoMatz | 1965– | Alive | programming languages | Ruby |
| Theo de Raadt | 1967– | Alive | operating systems | OpenBSD |
| Rasmus Lerdorf | 1968– | Alive | programming languages | PHP |
| Xavier Leroy | 1968– | Alive | programming languages | OCaml |
| Linus Torvalds | 1969– | Alive | operating systems | Linux |
| Terry A. Davis | 1969–2018 | Dead | operating systems | HolyC TempleOS |
| Larry Page | 1973– | Alive | Search | Google The Anatomy of a Large-Scale Hypertextual Web Search Engine |
| Sergey Brin | 1973– | Alive | Search | Google The Anatomy of a Large-Scale Hypertextual Web Search Engine |
| Gavin Wood | 1980– | Alive | programming languages | Solidity |