The work behind the famous names.
Each profile explains a specific contribution, the wider chain around it and the claims that should not be stretched beyond the evidence.
A
Ada Lovelace
Ada Lovelace was an English mathematician who translated Luigi Menabrea’s account of Charles Babbage’s Analytical Engine and added a much longer set of explanatory notes in 1843.
Open profile →Alexander Graham Bell
Alexander Graham Bell was a teacher, inventor and organiser whose work on speech, hearing and harmonic telegraphy led to an influential telephone patent and early demonstrations of intelligible electrical speech.
Open profile →Alfred Vail
Alfred Vail is associated with the development of Electrical telegraph. Samuel Morse, Alfred Vail and collaborators developed a single-wire recording and coded system in the United States.
Open profile →Alice Guy-Blaché
Alice Guy-Blaché was an early filmmaker who directed, produced and managed motion pictures as cinema developed from short demonstrations into narrative and studio production.
Open profile →Allan Alcorn
Allan Alcorn engineered Pong at Atari, turning a training assignment into a playable, reliable arcade machine whose success helped establish commercial video games.
Open profile →Arthur C. Clarke
Arthur C. Clarke is associated with the development of Communications satellites.
Open profile →Ashish Vaswani
Ashish Vaswani is a computer scientist and the lead-listed author of the 2017 paper that introduced the Transformer architecture.
Open profile →B
Bi Sheng
Bi Sheng is associated with the development of Movable type in East Asia. Shen Kuo’s 11th-century account describes Bi Sheng making individual characters from baked clay, arranging them on an iron plate and using multiple formes to.
Open profile →Bill Gates
Bill Gates is an American programmer and business leader who co-founded Microsoft and helped establish software as a separately licensed foundation of the personal-computer industry.
Open profile →Blaise Pascal
Blaise Pascal is associated with the development of Mechanical calculators. The topic begins with early modern devices associated with Wilhelm Schickard, Blaise Pascal and Gottfried Wilhelm Leibniz, but it should not be narrated as a.
Open profile →Brian Pinkerton
Brian Pinkerton developed WebCrawler, an early Web search engine that indexed the full text of pages rather than relying only on titles or manually submitted descriptions.
Open profile →C
Cai Lun
Cai Lun is associated with the development of Paper. Paper developed in China from experiments with fibrous sheets before the famous 105 CE court report associated with Cai Lun.
Open profile →Charles Babbage
Charles Babbage designed mechanical calculating machines that separated storage, calculation and control. His unfinished Analytical Engine described a general-purpose machine whose operations and data could be directed by punched cards.
Open profile →Charles Bachman
Charles Bachman is associated with the development of Database management systems. Charles Bachman's Integrated Data Store, developed in the early 1960s, assembled direct-access storage, data descriptions, linked records, recovery and.
Open profile →Charles K. Bliss
Charles K. Bliss created Blissymbolics, a semantically organised visual-symbol system intended to support communication across spoken-language boundaries.
Open profile →Charles Kao
Charles K. Kao was an electrical engineer whose analysis helped turn optical fibre from a laboratory curiosity into a credible long-distance communications medium.
Open profile →Charles Sumner Tainter
Charles Sumner Tainter is associated with the development of Recorded sound and the phonograph. Alexander Graham Bell, Chichester Bell and Charles Sumner Tainter developed the graphophone at the Volta Laboratory.
Open profile →Charles Xavier Thomas
Charles Xavier Thomas is associated with the development of Mechanical calculators. Charles Xavier Thomas patented his arithmometer in 1820 and later established sustained production.
Open profile →Chichester Bell
Chichester Bell is associated with the development of Recorded sound and the phonograph. Alexander Graham Bell, Chichester Bell and Charles Sumner Tainter developed the graphophone at the Volta Laboratory.
Open profile →Claude Chappe
Claude Chappe is associated with the development of Optical telegraph and semaphore. Claude Chappe and his collaborators demonstrated visual telegraphy during the French Revolution and established the Paris-Lille line in 1794.
Open profile →Claude Shannon
Claude Shannon was an American mathematician and electrical engineer whose work connected symbolic logic, switching circuits and communication. His 1937 thesis made Boolean algebra a practical language for relay design; his 1948 paper.
Open profile →Curt Herzstark
Curt Herzstark is associated with the development of Mechanical calculators. Curt Herzstark designed the cylindrical Curta, manufactured after the Second World War, as a compact four-function calculator.
Open profile →D
Denise Schmandt-Besserat
Denise Schmandt-Besserat is an archaeologist whose research connected ancient Near Eastern clay tokens to counting, accounting and the emergence of writing.
Open profile →Donald Davies
Donald Davies was a Welsh computer scientist who led data-communications research at Britain’s National Physical Laboratory.
Open profile →E
Eadweard Muybridge
Eadweard Muybridge is associated with the development of Motion-picture film and cinema. Eadweard Muybridge’s sequential photographs of animal motion in the 1870s and Étienne-Jules Marey’s chronophotographic systems analysed movement.
Open profile →Edgar F. Codd
Edgar F. Codd was a British computer scientist at IBM who proposed the relational model for large shared databases.
Open profile →Elisha Gray
Elisha Gray is associated with the development of Telephone. Bell worked within harmonic-telegraph research, with Thomas Watson, Gardiner Hubbard and others, while Elisha Gray and additional experimenters pursued related approaches.
Open profile →Emile Berliner
Emile Berliner developed the gramophone and promoted flat disc records as an alternative to cylinder-based sound recording.
Open profile →F
Frederick Jelinek
Frederick Jelinek was a computer scientist who advanced statistical approaches to speech recognition and language processing at IBM and Johns Hopkins University.
Open profile →Frederick Scott Archer
Frederick Scott Archer is associated with the development of Photography. Frederick Scott Archer’s wet-collodion process, published in 1851, combined glass-negative detail with reproducibility.
Open profile →G
G. A. Hockham
G. A.
Open profile →George Boole
George Boole is associated with the development of Binary digital representation. George Boole's nineteenth-century algebra formalised operations over logical classes and truth values.
Open profile →George Eastman
George Eastman is associated with the development of Photography. George Eastman’s roll-film systems and Kodak camera later integrated manufacture, exposure and processing into consumer service.
Open profile →Georges Méliès
Georges Méliès is associated with the development of Motion-picture film and cinema. Georges Méliès used substitution, multiple exposure, sets and editing to construct impossible events.
Open profile →Gottfried Wilhelm Leibniz
Gottfried Wilhelm Leibniz is associated with the development of Binary digital representation, Mechanical calculators. Gottfried Wilhelm Leibniz published an account of binary arithmetic in 1703, linking positional calculation to.
Open profile →Grace Hopper
Grace Hopper was an American mathematician and naval officer who worked on early computers and promoted ways for people to instruct machines with reusable routines and more familiar notation.
Open profile →Gunpei Yokoi
Gunpei Yokoi was a Japanese product designer and development leader at Nintendo whose teams helped define handheld electronic play.
Open profile →Gustav Tauschek
Gustav Tauschek is associated with the development of Magnetic digital storage. Gustav Tauschek patented an early magnetic drum design in 1932.
Open profile →H
Herbert Clark
Herbert H. Clark is a psycholinguist whose work explains language use as coordinated action between participants rather than one-way message transfer.
Open profile →Herman Hollerith
Herman Hollerith was an American inventor who developed an electromechanical system for encoding census records on punched cards and counting them with electrical tabulators.
Open profile →Homer Dudley
Homer Dudley is associated with the development of Text-to-Speech and Voice Synthesis. Homer Dudley's work at Bell Telephone Laboratories established a foundational analysis-synthesis approach to speech.
Open profile →I
J
Jarkko Oikarinen
Jarkko Oikarinen is associated with the development of Bulletin-board systems, Usenet and Internet chat. Jarkko Oikarinen implemented IRC in 1988 from a BBS-chat context; it grew into interconnected server networks.
Open profile →Johannes Gutenberg
Johannes Gutenberg was a Mainz craftsman and entrepreneur associated with the mid-fifteenth-century printing system that combined cast metal type, oil-based ink, presswork and organised production.
Open profile →John Backus
John Backus was an American computer scientist who led IBM’s FORTRAN team and later contributed to formal language notation and functional programming.
Open profile →John Bardeen
John Bardeen is associated with the development of Portable transistor radio. John Bardeen and Walter Brattain demonstrated the point-contact transistor in December, while William Shockley developed the junction-transistor concept soon.
Open profile →John Logie Baird
John Logie Baird is associated with the development of Television broadcasting. John Logie Baird demonstrated recognisable moving television images publicly in 1926 using a mechanical system.
Open profile →John McCarthy
John McCarthy is associated with the development of Time-sharing. John McCarthy and others argued in the late 1950s that rapid computer switching could give many users interactive access.
Open profile →Jon Postel
Jon Postel was a computer scientist and long-serving editor of the Internet's Request for Comments series who helped coordinate protocol specifications, numbers and names.
Open profile →Joseph Weizenbaum
Joseph Weizenbaum is associated with the development of Conversational AI Assistants and Retrieval-Augmented Generation. Joseph Weizenbaum's ELIZA, developed in the 1960s, used pattern matching and scripted transformations to sustain text.
Open profile →Joseph-Marie Jacquard
Joseph-Marie Jacquard is associated with the development of Punched-card control and data entry. Joseph-Marie Jacquard's early nineteenth-century loom mechanism used linked punched cards to select warp threads.
Open profile →K
L
Lawrence Roberts
Lawrence Roberts directed important ARPA networking work and helped translate packet-switching research into the ARPANET programme.
Open profile →Louis Daguerre
Louis Daguerre is associated with the development of Photography. In 1839, Louis Daguerre’s direct-positive process and William Henry Fox Talbot’s paper-based negative experiments were publicly announced through separate institutions.
Open profile →M
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Neil Papworth
Neil Papworth is associated with the development of SMS and Mobile Text Messaging. Neil Papworth sent “Merry Christmas” from a computer to Richard Jarvis’s handset on Vodafone’s network on 3 December 1992.
Open profile →Nicéphore Niépce
Nicéphore Niépce is associated with the development of Photography. The oldest surviving camera-made photograph is Joseph Nicéphore Niépce’s View from the Window at Le Gras, made around 1826 or 1827 on a bitumen-coated pewter plate.
Open profile →Nolan Bushnell
Nolan Bushnell co-founded Atari and helped turn coin-operated digital games into a commercial industry through Computer Space, Pong and later home-game systems.
Open profile →P
Paul Allen
Paul Allen was an American programmer and entrepreneur who co-founded Microsoft with Bill Gates.
Open profile →Paul Baran
Paul Baran is associated with the development of Packet switching. Paul Baran's RAND work in the early 1960s developed distributed digital communications using standard message blocks, adaptive store-and-forward routing and redundancy.
Open profile →Paul Nipkow
Paul Nipkow is associated with the development of Television broadcasting. Paul Nipkow patented a mechanical scanning disc in 1884, providing an important conceptual route to line-by-line image decomposition.
Open profile →Philo Farnsworth
Philo Farnsworth is associated with the development of Television broadcasting. Philo Farnsworth transmitted an all-electronic image in 1927.
Open profile →R
Ralph Baer
Ralph Baer was a German-born American engineer who developed a practical system for playing electronic games on an ordinary television.
Open profile →Ray Tomlinson
Ray Tomlinson was an American computer engineer who adapted existing messaging and file-transfer programs to send mail between computers on ARPANET.
Open profile →Robert Cailliau
Robert Cailliau is associated with the development of World Wide Web. The 1990 proposal with Robert Cailliau described a practical hypertext project joining existing information systems.
Open profile →Robert Kahn
Robert Kahn is an American computer scientist who helped develop packet-network architecture and the protocols that allowed unlike networks to communicate.
Open profile →Robert W. Paul
Robert W. Paul is associated with the development of Motion-picture film and cinema.
Open profile →S
S. O. Alonge
S. O.
Open profile →Samuel Morse
Samuel Morse was an American artist and inventor who helped develop and promote a practical electrical telegraph in the United States.
Open profile →Satoru Okada
Satoru Okada worked with Gunpei Yokoi on Game & Watch and later led engineering work associated with Nintendo's Game Boy and Nintendo DS handheld families.
Open profile →Sergey Brin
Sergey Brin co-founded Google and co-developed early PageRank research while a graduate student at Stanford University.
Open profile →Shen Kuo
Shen Kuo is associated with the development of Movable type in East Asia. Shen Kuo’s 11th-century account describes Bi Sheng making individual characters from baked clay, arranging them on an iron plate and using multiple formes to.
Open profile →Shigeru Miyamoto
Shigeru Miyamoto is a Japanese game designer and producer whose work at Nintendo helped define character-led interactive entertainment.
Open profile →Steve Crocker
Steve Crocker helped organise the early ARPANET's host-software discussions and wrote RFC 1, the first document in the Request for Comments series.
Open profile →Steve Jobs
Steve Jobs was an American entrepreneur and product leader who co-founded Apple and helped direct several influential computing and digital-media products.
Open profile →Steve Russell
Steve Russell led the initial programming of Spacewar! on MIT's PDP-1, working within a wider group that refined the game and its controls.
Open profile →Stuart Haber
Stuart Haber co-developed cryptographic methods for time-stamping digital documents so later changes could be detected.
Open profile →T
Thomas Edison
Thomas Edison was an American inventor and business organiser who built research workshops around electrical, sound-recording and motion-picture systems.
Open profile →Tim Berners-Lee
Tim Berners-Lee is a British computer scientist who proposed and implemented the World Wide Web while working at CERN.
Open profile →V
Vint Cerf
Vint Cerf is an American computer scientist who helped design the protocols and governance practices of the Internet.
Open profile →Vladimir Zworykin
Vladimir Zworykin is associated with the development of Television broadcasting. Vladimir Zworykin and RCA contributed other camera and receiver systems.
Open profile →W
W. Scott Stornetta
W. Scott Stornetta co-developed cryptographic methods for time-stamping digital documents so their existence and later modification could be checked.
Open profile →Walter Brattain
Walter Brattain is associated with the development of Portable transistor radio. John Bardeen and Walter Brattain demonstrated the point-contact transistor in December, while William Shockley developed the junction-transistor concept soon.
Open profile →Wang Zhen
Wang Zhen is associated with the development of Movable type in East Asia. In the late 13th and early 14th centuries, Wang Zhen experimented with wooden movable type and described it in his agricultural treatise.
Open profile →Ward Christensen
Ward Christensen co-created the Computerized Bulletin Board System, an early dial-up service through which personal-computer users could leave messages and exchange files.
Open profile →Warren Weaver
Warren Weaver is associated with the development of Machine Translation. Warren Weaver's 1949 memorandum framed translation as a problem computers might attack through context, statistics, cryptographic analogy and possible intermediate.
Open profile →Wilhelm Schickard
Wilhelm Schickard is associated with the development of Mechanical calculators. The topic begins with early modern devices associated with Wilhelm Schickard, Blaise Pascal and Gottfried Wilhelm Leibniz, but it should not be narrated as a.
Open profile →William Henry Fox Talbot
William Henry Fox Talbot is associated with the development of Photography. In 1839, Louis Daguerre’s direct-positive process and William Henry Fox Talbot’s paper-based negative experiments were publicly announced through separate.
Open profile →William Kennedy Laurie Dickson
William Kennedy Laurie Dickson was an engineer and filmmaker who led much of Thomas Edison's motion-picture development work in the 1890s.
Open profile →William Shockley
William Shockley is associated with the development of Portable transistor radio. John Bardeen and Walter Brattain demonstrated the point-contact transistor in December, while William Shockley developed the junction-transistor concept soon.
Open profile →William Thomson
William Thomson is associated with the development of Submarine telegraph cables. William Thomson's mirror galvanometer detected very weak currents on long submarine cables and supported lower-voltage reception, linking cable engineering.
Open profile →Woodville Latham
Woodville Latham is associated with the development of Motion-picture film and cinema. Woodville Latham’s Eidoloscope was publicly demonstrated in 1895, while Robert Paul developed British cameras and projectors.
Open profile →É
Édouard-Léon Scott de Martinville
Édouard-Léon Scott de Martinville is associated with the development of Recorded sound and the phonograph. Édouard-Léon Scott de Martinville’s phonautograph, developed in the 1850s, traced sound waves but was intended for visual study.
Open profile →Étienne-Jules Marey
Étienne-Jules Marey is associated with the development of Motion-picture film and cinema. Eadweard Muybridge’s sequential photographs of animal motion in the 1870s and Étienne-Jules Marey’s chronophotographic systems analysed movement.
Open profile →