Sources and methodology

Source hierarchy

1. Primary and archival material: patents, laboratory records, contemporary publications, and museum and archive collections.
2. Institutional scholarship: museums, universities, libraries, national laboratories, and technical and scientific societies.
3. Peer-reviewed research: journals and scholarly books on the history and archaeology of technology.
4. Reference works are used only to find the above, not as sources of record.

Distinguishing the stages of a technology

When possible, we separate:

• Invention or discovery — the idea or principle.
• Prototype — a first working version.
• Patent — a legal claim with a filing date, which does not by itself prove who came first.
• Public demonstration — when it was shown beyond its makers.
• Commercial adoption — when it reached paying users at scale.

Dates and uncertainty

• “c.” means circa, or about. “BCE” and “CE” are used for dates before and after year 1.
• For prehistoric and ancient subjects, dates come from archaeology and are ranges that can change with new finds.
• When historians disagree, we describe the disagreement rather than pick a winner.

Collective invention

Most technologies resulted from many contributors, from materials suppliers to workshop staff to competing inventors. We name notable figures but avoid crediting single inventors where the record shows a wider process.

Recent topics

For developments from recent decades, we state the review date and avoid predictions. Recent claims carry more uncertainty because scholarship and archives are still catching up.

Limits

Every article is a summary of a large field. Sources survive unevenly; materials such as wood, fiber, and unpublished labor are under-represented in the historical record. Some source links belong to institutions that block automated access, so a page may require a normal browser.

Independence

The institutions listed below are cited as sources only. GPTSheild has no affiliation with them and they have not reviewed or endorsed our articles.

Sources by article

What Technology Is and How Its History Can Be Studied

• Stanford Encyclopedia of Philosophy (Stanford University). Philosophy of Technology. plato.stanford.edu/entries/technology
• Society for the History of Technology. About Us (the society and its journal Technology and Culture). historyoftechnology.org/about-us
• National Academy of Engineering (National Academies). Memorial Tributes, Volume 20: Thomas P. Hughes. nap.nationalacademies.org/read/23394/chapter/19
• University of Twente. Pinch and Bijker, The Social Construction of Facts and Artefacts (publication record). research.utwente.nl/en/publications/the-social-construction-of-facts-and-artefacts-or-how-the-sociolo
• Smithsonian Institution, Human Origins Program. Stone Tools. humanorigins.si.edu/evidence/behavior/stone-tools
• Nature. Harmand et al., 3.3-million-year-old stone tools from Lomekwi 3, West Turkana, Kenya. nature.com/articles/nature14464

The First Tools and the Transformation of Human Life

• Smithsonian Institution, Human Origins Program. Stone Tools. humanorigins.si.edu/evidence/behavior/stone-tools
• Smithsonian Institution, Human Origins Program. Fire-Altered Stone Tools. humanorigins.si.edu/evidence/behavior/hearths-shelters/fire-altered-stone-tools
• Nature. Harmand et al., 3.3-million-year-old stone tools from Lomekwi 3, West Turkana, Kenya. nature.com/articles/nature14464
• Nature. Barham et al., Evidence for the earliest structural use of wood at least 476,000 years ago. nature.com/articles/s41586-023-06557-9
• University of York. World-famous Schöningen spears are 100,000 years younger than previously claimed. york.ac.uk/news-and-events/news/2025/research/age-schoningen-spears
• Proceedings of the National Academy of Sciences (via PubMed Central). Berna et al., Microstratigraphic evidence of in situ fire in the Acheulean strata of Wonderwerk Cave, Northern Cape province, South Africa. pmc.ncbi.nlm.nih.gov/articles/PMC3356665

Agriculture, Storage, and the Rise of New Techniques

• UNESCO World Heritage Centre. Kuk Early Agricultural Site (World Heritage List). whc.unesco.org/en/list/887
• PLoS ONE (via PubMed Central). Snir et al., The origin of cultivation and proto-weeds, long before Neolithic farming. pmc.ncbi.nlm.nih.gov/articles/PMC4511808
• Proceedings of the National Academy of Sciences (via PubMed Central). Kuijt and Finlayson, Evidence for food storage and predomestication granaries 11,000 years ago in the Jordan Valley. pmc.ncbi.nlm.nih.gov/articles/PMC2700141
• Proceedings of the National Academy of Sciences (via PubMed Central). Zuo et al., Dating rice remains through phytolith carbon-14 study reveals domestication at the beginning of the Holocene. pmc.ncbi.nlm.nih.gov/articles/PMC5488950

The Wheel and the Evolution of Rotating Mechanisms

• City Museum of Ljubljana (Mestni muzej Ljubljana). Oldest wooden wheel with an axle (Ljubljana Marshes wheel). mgml.si/en/city-museum/news/667/replica-of-the-oldest-wooden-wheel-with-an-axle-for-the-winner-of-the-26th-tour-of-slovenia
• Government of Slovenia (slovenia.si). World's oldest wheel found in Slovenia. slovenia.si/art-and-cultural-heritage/worlds-oldest-wheel-found-in-slovenia
• British Museum. The Standard of Ur (museum number 1928,1010.3). britishmuseum.org/collection/object/W_1928-1010-3
• Antiquity (Cambridge University Press). Chariots in the Eurasian steppe: a Bayesian approach to the emergence of horse-drawn transport in the early second millennium BC. cambridge.org/core/journals/antiquity/article/chariots-in-the-eurasian-steppe-a-bayesian-approach-to-the-emergence-of-horsedrawn-transport-in-the-early-second-millennium-bc/C4FDF8C5E7D1D20A28BEB7F6C50A9AF4

Writing as a Technology of Record-Keeping and Administration

• The Metropolitan Museum of Art (Heilbrunn Timeline of Art History). The Origins of Writing. metmuseum.org/essays/the-origins-of-writing
• University of Pennsylvania Museum of Archaeology and Anthropology. The Uses of Writing: Inscribed Objects and Texts in the Middle East Galleries (Expedition Magazine). penn.museum/sites/expedition/the-uses-of-writing
• The Metropolitan Museum of Art. Oracle bone, Shang dynasty. metmuseum.org/art/collection/search/60696
• Cuneiform Digital Library Initiative (Max Planck Institute for the History of Science, University of Oxford, and UCLA). CDLI. cdli.mpiwg-berlin.mpg.de

Metallurgy and the Mastery of New Materials

• UCL Institute of Archaeology. The Rise of Metallurgy in Eurasia. ucl.ac.uk/archaeology/research/rise-metallurgy-eurasia
• UCL Culture (Petrie Museum). The meteoric origins of Egypt's first ironwork. blogs.ucl.ac.uk/museums/2013/09/01/23856
• Proceedings of the National Academy of Sciences (via PubMed Central). McConnell et al., Lead pollution recorded in Greenland ice indicates European emissions tracked plagues, wars, and imperial expansion during antiquity. pmc.ncbi.nlm.nih.gov/articles/PMC5984509
• Science Advances (via PubMed Central). Powell et al., Tin from Uluburun shipwreck shows small-scale commodity exchange fueled continental tin supply across Late Bronze Age Eurasia. pmc.ncbi.nlm.nih.gov/articles/PMC9710885

Machines and Engineering Solutions of Antiquity

• Antikythera Mechanism Research Project. Project overview. antikythera-mechanism.gr/project/overview
• Massachusetts Institute of Technology. Riddle solved: Why was Roman concrete so durable? MIT News. news.mit.edu/2023/roman-concrete-durability-lime-casts-0106
• Vatican Museums. Mausoleum of the Haterii (Museo Gregoriano Profano). museivaticani.va/content/museivaticani/en/collezioni/musei/museo-gregoriano-profano/Mausoleo-degli-Haterii.html
• Science Advances (via PubMed Central). Sürmelihindi et al., The second century CE Roman watermills of Barbegal: Unraveling the enigma of one of the oldest industrial complexes. pmc.ncbi.nlm.nih.gov/articles/PMC6124920

The Path of Paper as an Information Medium

• Georgia Institute of Technology, Renewable Bioproducts Institute. The Advent of the Paper Machine. paper.gatech.edu/node/314
• Museum of Fine Arts, Boston (Conservation and Art Materials Encyclopedia Online). Watermark. cameo.mfa.org/wiki/Watermark
• Deutsche Biographie (Bavarian Academy of Sciences and Bavarian State Library). Illig, Moritz Friedrich. deutsche-biographie.de/sfz36322.html
• Centre for the Study of Manuscript Cultures, University of Hamburg. A Short History of Paper in Imperial China (Studies in Manuscript Cultures, volume 31). csmc.uni-hamburg.de/news/2024-08-13-smc-31.html
• Princeton University Library, Graphic Arts Collection. Paper made from straw (on Illig, rosin-alum sizing, and alternative papermaking fibers). graphicarts.princeton.edu/2018/08/27/paper-made-from-straw-rye-wheat-barley-oats-peas-beans-lentils-and-corn

The Printing Press and Large-Scale Reproduction

• Bibliothèque nationale de France. "Jikji", a treasure of the world of printing. bnf.fr/en/jikji-treasure-world-printing
• Yale University, Beinecke Rare Book and Manuscript Library (Yale News). World's oldest printed objects join Gutenberg Bible in Beinecke display. news.yale.edu/2023/01/24/worlds-oldest-printed-objects-join-gutenberg-bible-beinecke-display
• The Metropolitan Museum of Art. One of the "One Million Pagodas" (Hyakumantō). metmuseum.org/art/collection/search/62374
• Gutenberg Museum Mainz. Museum of the history of printing. gutenberg-museum.de
• Consortium of European Research Libraries. Incunabula Short Title Catalogue (ISTC). data.cerl.org/istc?lang=en

Instruments of Navigation and Orientation

• Royal Museums Greenwich. Who was John Harrison?. rmg.co.uk/discover/explore/longitude-found-john-harrison
• Royal Museums Greenwich. Letter from Nevil Maskelyne to Mr. Nourse, Bookseller, 1770 (archive item, with background on the Nautical Almanac). rmg.co.uk/collections/archive/rmgc-object-560742
• Bibliothèque nationale de France (Gallica). Carte pisane (portolan chart), Département des cartes et plans. gallica.bnf.fr/ark:/12148/btv1b52503226n
• Polynesian Voyaging Society. 50th anniversary of Hōkūle‘a's 1976 maiden voyage to Tahiti. hokulea.com/polynesian-voyaging-society-honors-the-50th-anniversary-of-hokule%CA%BBas-1976-maiden-voyage-to-tahiti
• Royal Astronomical Society. Captain Cook's sextant. ras.ac.uk/library/instruments/captain-cooks-sextant

The Steam Engine and the Mechanization of Labor

• Science Museum Group. James Watt, 1736–1819 (people record, Collection online). collection.sciencemuseumgroup.org.uk/people/ap24508/watt-james
• Science Museum Group. Rocket locomotive (steam locomotive), Collection online. collection.sciencemuseumgroup.org.uk/objects/co26704/rocket-locomotive-steam-locomotive
• Amgueddfa Cymru – Museum Wales. Trevithick's Penydarren locomotive, Collections Online. museum.wales/collections/online/object/3725ef7b-e7b3-3490-97df-8a54c0f475ff
• ASME. Landmark 263: Liverpool and Manchester Railway and site of the Rainhill Trials. asme.org/about-asme/engineering-history/landmarks/263-liverpool-manchester-railway-site-rainhill
• ASME. Landmark 70: Newcomen Engine. asme.org/wwwasmeorg/media/ResourceFiles/AboutASME/Who%20We%20Are/Engineering%20History/Landmarks/70-Newcomen-Engine.pdf
• Linda Hall Library. Scientist of the Day: Thomas Newcomen. lindahall.org/about/news/scientist-of-the-day/thomas-newcomen

Factories and the Technical Systems of Industrialization

• Derwent Valley Mills World Heritage Site. History and development of the Derwent Valley Mills. derwentvalleymills.org/discover/derwent-valley-mills-history/derwent-valley-mills-history-development
• Boston University (OpenBU). The Boston Manufacturing Company of Waltham, Massachusetts, 1813–1848: the first modern factory in America. open.bu.edu/handle/2144/27244
• National Park Service. The Mill Girls of Lowell (Lowell National Historical Park). nps.gov/lowe/learn/historyculture/the-mill-girls-of-lowell.htm
• National Park Service. History & Culture (Springfield Armory National Historic Site). nps.gov/spar/learn/historyculture/index.htm
• National Park Service. History & Culture (Harpers Ferry National Historical Park). nps.gov/hafe/learn/historyculture/index.htm

How Electricity Moved from the Laboratory to Everyday Life

• IEEE. Engineering and Technology History Wiki: Milestones, Volta's Electrical Battery Invention, 1799. ethw.org/Milestones:Volta%27s_Electrical_Battery_Invention,_1799
• IEEE. Engineering and Technology History Wiki: Milestones, Adams Hydroelectric Generating Plant, 1895. ethw.org/Milestones:Adams_Hydroelectric_Generating_Plant,_1895
• IEEE. Engineering and Technology History Wiki: Milestones, Pearl Street Station, 1882. ethw.org/Milestones:Pearl_Street_Station,_1882
• IEEE. Engineering and Technology History Wiki: Milestones, Long Distance Electric Power Transmission Using Three-Phase Alternating Current, 1891. ethw.org/Milestones:Long_Distance_Electric_Power_Transmission_Using_Three-Phase_Alternating_Current,_1891
• National Park Service. History & Culture (Thomas Edison National Historical Park). nps.gov/edis/learn/historyculture/index.htm

The Telegraph and the Beginning of Electrical Communication

• IEEE. Engineering and Technology History Wiki: Telegraph. ethw.org/Telegraph
• IEEE. Engineering and Technology History Wiki: Samuel Morse. ethw.org/Samuel_Morse
• IEEE. Engineering and Technology History Wiki: Milestones, Demonstration of Practical Telegraphy, 1838. ethw.org/Milestones:Demonstration_of_Practical_Telegraphy,_1838
• IEEE. Engineering and Technology History Wiki: Long Distance Telegraphy. ethw.org/Long_Distance_Telegraphy
• FAPESP (Pesquisa FAPESP). The first transatlantic telegraph cable in Brazil. revistapesquisa.fapesp.br/en/the-first-transatlantic-telegraph-cable-in-brazil

The Evolution of the Telephone

• IEEE. Engineering and Technology History Wiki: Telephone. ethw.org/Telephone
• IEEE. Engineering and Technology History Wiki: Alexander Graham Bell. ethw.org/Alexander_Graham_Bell
• IEEE. Engineering and Technology History Wiki: Bell Files Telephone Patent. ethw.org/Bell_Files_Telephone_Patent
• IEEE. Engineering and Technology History Wiki: Electromechanical Telephone-Switching. ethw.org/Electromechanical_Telephone-Switching
• IEEE. Engineering and Technology History Wiki: Bell Utilizes PCM Multiplexing. ethw.org/Bell_Utilizes_PCM_Multiplexing
• Nokia Bell Labs. History of Bell Labs. nokia.com/bell-labs/about/history

Photography and the Technical Recording of the Image

• Harry Ransom Center, University of Texas at Austin. The Niépce Heliograph, the world's first photograph. hrc.utexas.edu/niepce-heliograph
• Getty Conservation Institute and Harry Ransom Center. International experts analyze some of the earliest surviving photographic artifacts (Getty news). getty.edu/news/international-experts-analyze-some-of-the-earliest-surviving-photographic-artifacts
• George Eastman Museum. Two rare rolls of early Kodak film acquired by the George Eastman Museum. eastman.org/two-rare-rolls-early-kodak-film-acquired-george-eastman-museum
• American Chemical Society. George Eastman, Kodak, and the Birth of Consumer Photography (National Historic Chemical Landmark). acs.org/education/whatischemistry/landmarks/eastman-kodak.html
• Nouveau Musée National de Monaco. Hercule Florence: Le Nouveau Robinson (exhibition). nmnm.mc/en/exhibitions/hercule-florence-le-nouveau-robinson
• Nobel Prize Outreach. The Nobel Prize in Physics 2009 (Boyle, Smith, and Kao). nobelprize.org/prizes/physics/2009/summary

The History of Sound Recording and Reproduction

• Library of Congress. History of the Cylinder Phonograph (Edison Company motion pictures and sound recordings). loc.gov/collections/edison-company-motion-pictures-and-sound-recordings/articles-and-essays/history-of-edison-sound-recordings/history-of-the-cylinder-phonograph
• National Park Service. Origins of Sound Recording (Thomas Edison National Historical Park). nps.gov/edis/learn/historyculture/origins-of-sound-recording.htm
• First Sounds. Scott de Martinville and the phonautograms. firstsounds.org/sounds/scott.php
• IEEE. Engineering and Technology History Wiki: Phonograph. ethw.org/Phonograph
• IEEE. Engineering and Technology History Wiki: Magnetic Recording. ethw.org/Magnetic_Recording
• IEEE. Engineering and Technology History Wiki: Valdemar Poulsen. ethw.org/Valdemar_Poulsen

The Technical Development of Cinema

• Council on Library and Information Resources and Library of Congress. The Survival of American Silent Feature Films: 1912–1929 (2013 study). clir.org/pubs/reports/pub158
• Library of Congress. Origins of Motion Pictures (Edison Company motion pictures and sound recordings). loc.gov/collections/edison-company-motion-pictures-and-sound-recordings/articles-and-essays/history-of-edison-motion-pictures/origins-of-motion-pictures
• Rutgers University, Thomas A. Edison Papers. The Peephole Kinetoscope. edison.rutgers.edu/research/motion-picture-catalogs/catalogs-and-the-early-motion-picture-industry/the-peephole-kinetoscope
• Science Museum Group. Single-lens cine camera by Louis Le Prince. collection.sciencemuseumgroup.org.uk/objects/co18634/single-lens-cine-camera-by-louis-le-prince
• Bundesarchiv. The Skladanowsky brothers and their Bioscop (English companion booklet). bundesarchiv.de/assets/bundesarchiv/de/Publikationen/BArch/Publikation_Begleitheft_Skladanowsky_englisch.pdf
• Cinemateca Brasileira. Audiovisual collections and preservation. cinemateca.org.br

Radio and Wireless Transmission

• IEEE. Engineering and Technology History Wiki: Guglielmo Marconi. ethw.org/Guglielmo_Marconi
• IEEE. Engineering and Technology History Wiki: Brant Rock (Fessenden). ethw.org/Brant_Rock
• IEEE. Engineering and Technology History Wiki: KDKA, First Commercial Radio Station. ethw.org/KDKA,_First_Commercial_Radio_Station
• IEEE. Engineering and Technology History Wiki: Milestones, Emergence of Radio Broadcasting with Experimental Station XWA, 1919–1920. ethw.org/Milestones:Emergence_of_Radio_Broadcasting_with_Experimental_Station_XWA,_1919-1920
• Cornell Law School, Legal Information Institute. Marconi Wireless Telegraph Co. of America v. United States, 320 U.S. 1 (1943). law.cornell.edu/supremecourt/text/320/1
• International Telecommunication Union. ITU's history. itu.int/en/history/Pages/ITUsHistory.aspx
• BBC. History of the BBC: timeline. bbc.com/historyofthebbc/bbc-100/timeline

How Television Developed

• IEEE. Engineering and Technology History Wiki: Television. ethw.org/Television
• IEEE. Engineering and Technology History Wiki: Philo T. Farnsworth. ethw.org/Philo_T._Farnsworth
• IEEE. Engineering and Technology History Wiki: Milestones, First Public Demonstration of Television, 1926. ethw.org/Milestones:First_Public_Demonstration_of_Television,_1926
• IEEE. Engineering and Technology History Wiki: Iconoscope. ethw.org/Iconoscope
• NASA, National Space Science Data Center. Telstar 1. nssdc.gsfc.nasa.gov/nmc/spacecraft/display.action?id=1962-029A
• BBC. History of the BBC: timeline. bbc.com/historyofthebbc/bbc-100/timeline
• Museu da Imagem e do Som de São Paulo. Museu da Imagem e do Som (MIS-SP). mis-sp.org.br

The Transistor and the Miniaturization of Circuits

• Computer History Museum. 1947: Invention of the Point-Contact Transistor. computerhistory.org/siliconengine/invention-of-the-point-contact-transistor
• Computer History Museum. 1948: Conception of the Junction Transistor. computerhistory.org/siliconengine/conception-of-the-junction-transistor
• Computer History Museum. 1959: Invention of the "Planar" Manufacturing Process. computerhistory.org/siliconengine/invention-of-the-planar-manufacturing-process
• Computer History Museum. 1960: Metal Oxide Semiconductor (MOS) Transistor Demonstrated. computerhistory.org/siliconengine/metal-oxide-semiconductor-mos-transistor-demonstrated
• IEEE / Engineering and Technology History Wiki. Milestones: Invention of the First Transistor at Bell Telephone Laboratories, Inc., 1947. ethw.org/Milestones:Invention_of_the_First_Transistor_at_Bell_Telephone_Laboratories,_Inc.,_1947
• IEEE Spectrum. How Europe Missed the Transistor. spectrum.ieee.org/how-europe-missed-the-transistor
• Nobel Prize Outreach. The Nobel Prize in Physics 1956. nobelprize.org/prizes/physics/1956/summary

Integrated Circuits and the Expansion of Electronics

• Computer History Museum. The Silicon Engine: IC Development Timeline, 1958-1971. computerhistory.org/siliconengine/timeline
• Computer History Museum. 1962: Aerospace systems are the first applications for ICs in computers. computerhistory.org/siliconengine/aerospace-systems-are-first-the-applications-for-ics-in-computers
• Computer History Museum. Invention of the Planar Integrated Circuit and Other Stories from the Fairchild Notebooks. computerhistory.org/blog/invention-of-the-planar-integrated-circuit-other-stories-from-the-fairchild-notebooks
• Computer History Museum. Intel's Microprocessor. computerhistory.org/revolution/story/285
• IEEE / Engineering and Technology History Wiki. Milestones: First Semiconductor Integrated Circuit (IC), 1958. ethw.org/Milestones:First_Semiconductor_Integrated_Circuit_(IC),_1958
• IEEE / Engineering and Technology History Wiki. Milestones: Moore's Law, 1965. ethw.org/Milestones:Moore%27s_Law,_1965
• Nobel Prize Outreach. The Nobel Prize in Physics 2000. nobelprize.org/prizes/physics/2000/summary

From Mechanical Calculators to the First Computers

• Computer History Museum. Babbage Engine: Ada Lovelace. computerhistory.org/babbage/adalovelace
• Bletchley Park Trust. 75 years since Colossus arrived at Bletchley. bletchleypark.org.uk/our-story/75-years-since-colossus-arrived-at-bletchley
• The National Museum of Computing. Colossus. tnmoc.org/colossus
• IEEE / Engineering and Technology History Wiki. Milestones: Electronic Numerical Integrator and Computer, 1946. ethw.org/Milestones:Electronic_Numerical_Integrator_and_Computer,_1946
• University of Pennsylvania School of Engineering and Applied Science. Celebrating Penn Engineering History: ENIAC. engineering.upenn.edu/about/history-heritage/eniac
• University of Cambridge Computer Laboratory. EDSAC 1 and after. cl.cam.ac.uk/events/EDSAC99/history.html

The Evolution of Programming Languages

• Nokia Bell Labs. The Development of the C Language (Dennis M. Ritchie). nokia.com/bell-labs/about/dennis-m-ritchie/chist.html
• Computer History Museum. Software Engineering: report on the NATO conference, Garmisch, 1968. computerhistory.org/collections/catalog/102620036
• Computer History Museum. The Preparation of Programs for an Electronic Digital Computer (Wilkes, Wheeler and Gill, 1951). computerhistory.org/collections/catalog/102622291
• Computer History Museum, Software Preservation Group. The FORTRAN Automatic Coding System (Backus et al., 1957). softwarepreservation.computerhistory.org/FORTRAN/paper/p45-backus.pdf
• Dartmouth College. BASIC Begins at Dartmouth. dartmouth.edu/basicfifty/basic.html
• IEEE / Engineering and Technology History Wiki. Niklaus Wirth. ethw.org/Niklaus_Wirth
• University of Oslo, Department of Informatics. Ole-Johan Dahl: scientific activity. mn.uio.no/ifi/english/about/ole-johan-dahl/scientific-activity

The Formation of the First Computer Networks

• Internet Society. Brief History of the Internet. internetsociety.org/internet/history-internet/brief-history-internet
• Computer History Museum. Internet History of the 1960s. computerhistory.org/internethistory/1960s
• IEEE / Engineering and Technology History Wiki. Milestones: Demonstration of the ALOHA Packet Radio Data Network, 1971. ethw.org/Milestones:Demonstration_of_the_ALOHA_Packet_Radio_Data_Network,_1971
• RAND Corporation. On Distributed Communications: V. History, Alternative Approaches, and Comparisons (1964). rand.org/pubs/research_memoranda/RM3097.html
• IEEE Computer Society. Donald W. Davies, Computer Pioneer. history.computer.org/pioneers/davies.html
• University of California, Los Angeles (Leonard Kleinrock). The Day the Infant Internet Uttered its First Words. lk.cs.ucla.edu/internet_first_words.html
• RFC Editor. RFC 883: Domain Names, Implementation and Specification. rfc-editor.org/rfc/rfc883.html

The Creation and Expansion of the Web

• CERN. A short history of the Web. home.cern/science/computing/the-birth-of-the-web/short-history-web
• CERN. Tim Berners-Lee's proposal (March 1989). info.cern.ch/Proposal.html
• World Wide Web Consortium (W3C). History. w3.org/about/history
• Computer History Museum. Internet History Timeline: Networking and the Web. computerhistory.org/timeline/networking-the-web
• Internet Society. Brief History of the Internet. internetsociety.org/internet/history-internet/brief-history-internet
• University of Illinois Urbana-Champaign. Mosaic (Distributed Museum). distributedmuseum.illinois.edu/exhibit/mosaic

The Popularization of the Personal Computer

• Computer History Museum. What Was the First PC? (CHM Revolution). computerhistory.org/revolution/personal-computers/17/297
• Computer History Museum. Personal Computers (CHM Revolution). computerhistory.org/revolution/personal-computers/17/intro
• Computer History Museum. Timeline of Computer History. computerhistory.org/timeline/computers
• Computer History Museum. Restoring Yesterday's Computer System of Tomorrow: A Conversation with Curator and Xerox Alto Restorer Al Kossow. computerhistory.org/blog/restoring-yesterdays-computer-system-of-tomorrow-a-conversation-with-curator-alto-restorer-al-kossow
• IEEE Spectrum. Chip Hall of Fame: Intel 4004 Microprocessor. spectrum.ieee.org/chip-hall-of-fame-intel-4004-microprocessor
• Doug Engelbart Institute. Doug Engelbart's 1968 Demo. dougengelbart.org/content/view/209/448

The Evolution of Mobile Phones

• Engineering and Technology History Wiki (IEEE). The Foundations of Mobile and Cellular Telephony. ethw.org/The_Foundations_of_Mobile_and_Cellular_Telephony
• IEEE Milestones (ETHW). Milestone Proposal: Mobile Radio Propagation Model "OKUMURA curve" and First Commercialized Full-Scale Cellular Telephone System, 1968-1979. ieeemilestones.ethw.org/Milestone-Proposal:Mobile_Radio_Propagation_Model_“OKUMURA-curve”_and_First_Commercialized_Full-Scale_Cellular_Telephone_System,_1968-1979
• Computer History Museum. IBM/BellSouth Simon Personal Communicator. computerhistory.org/revolution/artifact/1733
• Nokia. The human story of GSM. nokia.com/thought-leadership/articles/the-human-story-of-GSM
• 3GPP. 5G System Overview. 3gpp.org/technologies/5g-system-overview
• International Telecommunication Union (ITU). ICT statistics. itu.int/en/ITU-D/Statistics/Pages/stat/default.aspx

Robotics: From Automatic Machines to Programmable Systems

• Musée d'art et d'histoire de Neuchâtel. The Jaquet-Droz automata. mahn.ch/en/expositions/automates-jaquet-droz
• The Metropolitan Museum of Art. Design for a Clock in the Form of an Elephant with an Indian Driver, folio from al-Jazari's Book of the Knowledge of Ingenious Mechanical Devices. metmuseum.org/art/collection/search/451300
• Czech Ministry of Foreign Affairs. The Czech word robot celebrates its 100th anniversary. mzv.gov.cz/copenhagen/en/news/x2021/the_czech_word_robot_celebrates_its_1.html
• University of Bristol. Grey Walter and his tortoises. bristol.ac.uk/news/2008/212017945378.html
• U.S. Patent Office. US 2,988,237, Programmed Article Transfer (George C. Devol). patents.google.com/patent/US2988237
• IEEE History Center (ETHW). Milestone: SHAKEY, the World's First Mobile Intelligent Robot, 1972. ethw.org/Milestones:SHAKEY:_The_World%E2%80%99s_First_Mobile_Intelligent_Robot,_1972
• NASA. Luna 17 (Lunokhod 1), in depth. solarsystem.nasa.gov/missions/luna-17/in-depth

Historical Milestones of Computational Intelligence

• Dartmouth College. Artificial Intelligence Coined at Dartmouth. home.dartmouth.edu/about/artificial-intelligence-ai-coined-dartmouth
• Computer History Museum. Timeline of Computer History: AI & Robotics. computerhistory.org/timeline/ai-robotics
• IBM. Deep Blue. ibm.com/history/deep-blue
• Nature. Learning representations by back-propagating errors (Rumelhart, Hinton and Williams, 1986). nature.com/articles/323533a0
• Nature. Mastering the game of Go with deep neural networks and tree search (Silver et al., 2016). nature.com/articles/nature16961
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