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Early ideas about a global information network did not appear suddenly with the arrival of computers; they grew out of a decades-long conversation among scientists, writers, theologians and engineers.  The sources listed above record some of the most explicit forecasts, each framed by the intellectual concerns of its time.
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=== Key anticipations ===
Early 20th-century writers, scientists and engineers repeatedly imagined a global, electronically mediated network of information long before the modern internet emerged. Although their vocabularies differed, the recurring themes—world-wide knowledge access, human–machine symbiosis and the emergence of a collective intelligence—show a surprisingly clear conceptual lineage.


* H. G. Wells’ “World Brain” (1938) imagined “a complete planetary memory” that would be “constantly edited and brought up to date” and made available to every citizen through microfilm reading rooms.  Wells saw this as a way to create an informed world public opinion capable of preventing war [2].
=== Key Visions ===


* Vannevar Bush’s essay “As We May Think” (1945) proposed the Memex, a desk-sized device using microfilm and electronics that would let an individual build “associative trails” through documents. Bush’s mechanism pre-figured both hypertext links and personal workstations [1].
* H. G. Wells’ “World Brain” (1938)
  Wells proposed a “permanent world encyclopaedia” compiled by experts and “accessible to every individual” through “microfilm” distributed by radio or telephone lines [2]. He believed this networked reference work would be a “mental clearing house” stabilising world politics and education.


* Pierre Teilhard de Chardin’s The Phenomenon of Man (written 1930s-1940s, published 1955) advanced the spiritual-evolutionary concept of the noosphere – a “thinking layer” of the planet that would eventually knit all minds together by means of technology and communication [3].
* Vannevar Bush’s “Memex” (1945) 
  In “As We May Think,” Bush described a desk-sized device holding vast microfilm libraries, navigated by “associative trails” that users could create and share [1]. He anticipated hyperlinks, personal workspaces, collaborative annotation and instantaneous retrieval—features that map closely onto today’s web browsers and wikis.


* Douglas Engelbart’s 1968 “Mother of All Demos” showed how several of these ideas could work in practice: real-time text editing, hypertext linking, screen sharing and pointing devicesEngelbart explicitly cited Bush as an inspiration and spoke of augmenting the collective intellect of mankind [5].
* Pierre Teilhard de Chardin’s “Noosphere” (1930s writings, publ. 1955)  
  Teilhard envisioned a new evolutionary layer enveloping the planet, formed by the “convergence of minds” interconnected through technology [3]. While his focus was spiritual and evolutionary rather than technical, the idea of a planetary thinking layer foreshadowed network culture.


* Later syntheses, such as Ronfeldt’s survey of noosphere thinking (2020), trace how these pre-digital visions informed the design goals of ARPANET, the Internet and today’s collaborative platforms, while also noting tensions between centralized “world library” models (Wells) and decentralized network ideals (Bush, Engelbart) [4].
* Douglas Engelbart’s “Mother of All Demos” (1968)
  Engelbart publicly demonstrated real-time collaborative editing, hypertext linking, videoconferencing and the computer mouse in a system he called NLS (oN-Line System) [5]. The demo showcased concrete engineering steps that would turn the earlier visions into practical reality.


=== Timeline of the discourse ===
* Contemporary synthesis 
  Modern theorists such as David Ronfeldt trace these threads into the concept of the “noosphere” as an impending stage of societal organisation reliant on dense information networks [4]. Ronfeldt links Bush’s memex and Wells’ world encyclopaedia to today’s internet governance debates, arguing that earlier visions framed both the possibilities and the perils of a connected planet.


1934–1938 | Wells publishes articles and lectures that become “World Brain”, stirring debate in the British press about whether a universal encyclopedia would empower citizens or impose cultural uniformity [2].
=== Comparative Insights ===


July 1945 | Bush’s essay appears in The AtlanticScientists emerging from wartime work discuss how Memex-like tools could keep exploding research literatures manageable [1].
* Centralisation vs. personal agency  
  Wells imagined a centrally curated, expert-run encyclopaedia [2], whereas Bush stressed individual ownership of knowledge trails within a personal machine [1]. Engelbart leaned toward collective, but still decentralised, collaboration [5]. The modern internet embodies elements of both—vast shared resources plus personal control over navigation.


late 1940s-1950s | Teilhard’s writings circulate among intellectuals and are placed on the Vatican’s Index of Prohibited Books even as secular thinkers admire his technological optimism [3].
* Purpose and tone 
  Teilhard regarded connectivity as a step toward spiritual unification of humankind [3]. Wells emphasised rational world governance [2]. Bush focused on scientific creativity and problem solving [1]. These differing priorities occasionally conflict: a spiritual noosphere contrasts with Wells’ pragmatic reformism, yet both feed into current discourse about the internet as either a civic utility or a space for personal transcendence.


1950s-early 1960s | Information scientists and librarians cite both Bush and Wells while exploring machine searchable catalogs; the term “hypertext” is coined by Ted Nelson (not in the sources) who points directly to Bush’s associative trails [1][4].
* Technical specificity 
  Bush and Engelbart supplied detailed interface descriptions (microfilm readers, screens, input devices) [1][5], while Wells and Teilhard stayed abstract. This technical concreteness helped engineers translate vision into prototypes.


Dec 1968 | Engelbart’s “Mother of All Demos” shocks the computing community and showcases concrete tools for the collective knowledge work envisioned by earlier authors [5].
=== Timeline of Public Discourse ===


1970s-1990s | ARPANET, then the Internet, implements packet-switched, decentralized architecture that aligns more with Bush/Engelbart than with Wells’s central encyclopedia, while popular writers revive Teilhard’s noosphere as a metaphor for cyberspace [4].
1930–1938: Teilhard drafts “Phenomenon of Man,” introducing the noosphere concept [3]. 
1938: Wells publishes “World Brain,” delivers talks at UNESCO’s precursor on the global encyclopaedia idea [2]. 
1945: Bush’s “As We May Think” appears in The Atlantic; the term “memex” enters popular science culture [1]. 
1955: “Phenomenon of Man” posthumously published, spreading noosphere terminology beyond theology [3]. 
1962–1968: Engelbart’s Augmentation Research Center develops NLS; the 1968 public demo reveals hypertext and networking in action [5]. 
1970s–1990s: ARPANET and later TCP/IP implement packet-switched networking, often citing Bush and Engelbart as intellectual ancestors. 
2020: Ronfeldt’s survey paper re-examines historical roots and argues that noosphere-oriented institutions are now emerging within internet governance debates [4].


2000s-present | Scholars such as Ronfeldt reassess these predictions, noting that social media and wikis realise many technical details yet raise new governance issues that Wells and Teilhard anticipated in moral or spiritual terms [4].
=== Influence on the Actual Internet ===


=== Converging and conflicting views ===
While none of these thinkers built the internet, their ideas circulated among researchers who did. Bush’s memex directly inspired early hypertext pioneers such as Ted Nelson; Engelbart’s demo influenced personal computing and internet protocols; Wells’ call for freely accessible reference works resonates in projects like Wikipedia. Teilhard’s noosphere provides a cultural narrative that frames the net as an evolutionary leap.


* Centralization vs. decentralization: Wells favoured an authoritative, curated repository, whereas Bush and Engelbart stressed individually created, loosely linked knowledge trails.  Ronfeldt argues that today’s Internet has elements of both, but its open architecture owes more to the Bush–Engelbart line [2][1][5][4].
=== Areas of Agreement and Divergence ===


* Purpose: For Wells the goal was peace through common information; for Bush it was scientific productivity; for Teilhard it was spiritual evolution toward an “Omega Point. These differing motives shaped how each thinker pictured governance and access [2][1][3].
Agreement 
* Universal access to knowledge is desirable and technologically feasible [1][2][5]. 
* Associative or hyperlinked navigation is superior to linear indexing for large corpora [1][5].   
* Global connectivity would reshape cognition and society [2][3][4].


* Spiritual dimension: Teilhard’s explicitly theological noosphere was controversial, prompting both admiration and ecclesiastical censureLater secular writers borrowed the term while dropping its Christian eschatology [3][4].
Divergence 
* Governance: expert-run central hub (Wells) versus distributed personal networks (Bush, Engelbart). 
* Motivation: spiritual evolution (Teilhard) versus pragmatic information management (Bush) or political stabilisation (Wells).   
* Medium: microfilm and telephony (Wells, early Bush) versus digital screens and packet networks (Engelbart).


=== Influence on the eventual Internet ===
Despite these differences, all four strands anticipate fundamental aspects of the internet—hyperlinking, open access, collaborative authorship and a planetary reach—demonstrating that the idea of a global knowledge network matured incrementally across decades of public discourse rather than appearing fully formed in the computer age.
 
Though none of the early thinkers foresaw packet switching or TCP/IP, their conceptual frameworks directly influenced the designers of hypertext, personal computers and collaborative software.  Engelbart’s team kept a copy of Bush’s essay pinned to the lab wall, and the term “augmented intelligence” remains a guiding principle in human-computer interaction research [1][5].  Meanwhile, the aspiration for a shared planetary knowledge space continues to echo Wells and Teilhard, now embodied in projects such as Wikipedia and global open data networks [2][3][4].
 
In sum, the Internet emerged at the intersection of technical invention and a long public conversation about how humanity might pool its knowledge.  By tracing that conversation we see that what now feels inevitable was once only an audacious idea in the minds of earlier visionaries.


== Sources ==
== Sources ==