Book

As We May Think (1945)

Also known as: As We May Think, as we may think, Bush 1945, Bush — As We May Think, the Memex essay

[[vannevar-bush|Vannevar Bush]]'s essay published in *The Atlantic* in July 1945, the founding document of the [[memex-lineage]]. Bush — then director of the U.S. Office of Scientific Research and Development, having coordinated wartime American science — asks what scientists should turn to in peacetime. His answer: making humanity's accumulated record actually consultable. He diagnoses the bottleneck as **consultation, not creation** (publication has outpaced the human capacity to find what is relevant), argues that hierarchical filing is fundamentally mismatched to associative thought, and proposes the **Memex** — a desk-sized device using microfilm and mechanical linkages that would let a researcher build and follow durable **associative trails** through documents. The essay anticipates hypertext, the World Wide Web, personal computing, and the LLM wiki, and remains the primary text every later figure in the lineage reads first. The local source note lives at `_knowledge/sources/bush-as-we-may-think-1945.md`; the raw text is mirrored at `_raw/sources/`.

“As We May Think” is [[vannevar-bush|Vannevar Bush]]‘s essay published in The Atlantic Monthly in July 1945. It is the founding document of the [[memex-lineage]] and one of the most influential short essays in the history of computing — read first by [[doug-engelbart|Doug Engelbart]], [[ted-nelson|Ted Nelson]], [[tim-berners-lee|Tim Berners-Lee]], and effectively everyone who has built knowledge-management systems since.

What the essay argues

Bush’s central diagnosis: the problem of accumulated human knowledge is no longer making the record, it is consulting the record. “Publication has been extended far beyond our present ability to make real use of the record.” Mendel’s work was lost in the noise; the same fate awaits most contemporary work, not because it is bad, but because there is no usable mechanism for finding it when needed.

The deeper claim is structural: hierarchical filing systems are fundamentally mismatched to how thinking actually works. Information stored alphabetically or numerically forces navigation through subclasses; an item can only live in one place. “The human mind does not work that way. It operates by association.”

Bush’s proposed answer is the Memex — a desk-sized device, built from microfilm and mechanical linkages, that lets a user store all their books, records, and correspondence and — crucially — build associative trails between items, mirroring how the mind actually works. Two items projected side-by-side; one keystroke joins them permanently. Trails persist across years; they can be branched, recombined, and shared. Bush predicts a new profession of “trail blazers” — “those who find delight in the task of establishing useful trails through the enormous mass of the common record.”

The essay is also explicit that machines are aids on repetitive thought, not creative thought: “Creative thought and essentially repetitive thought are very different things. For the latter there are, and may be, powerful mechanical aids.”

Why it matters for 0mn1.one

[[0mn1one|The platform]]‘s wiki is consciously a descendant of the Memex proposal. Specifically:

Associative trails are the unit, not pages. The wiki’s typed-relations frontmatter and the src/content/trails/ directory are contemporary mechanisms for what Bush named.
Trails are shareable. Bush emphasized that a Memex user could photograph an entire trail and “pass it to his friend for insertion in his own memex.” 0mn1.one’s commitment to public, persistent, linkable wiki entries is the same commitment in modern form.
The bottleneck is consultation. Bush’s diagnosis is still correct, eighty years later. The platform’s bet on persistent, LLM-maintained, interlinked markdown is a bet that the bottleneck has shifted again — and that the right response is to put the partner side of the [[cognitive-symbiosis]] pattern in the loop.

Reading and citation

The essay is short (~8,000 words) and freely available. Primary text is mirrored locally at _raw/sources/bush-as-we-may-think-1945.html; structured source notes are at _knowledge/sources/bush-as-we-may-think-1945.md. Pages on this wiki that cite Bush’s claims should reference the source note path.

Original publication: The Atlantic Monthly, vol. 176, no. 1 (July 1945), pp. 101–108. Online at https://www.theatlantic.com/magazine/archive/1945/07/as-we-may-think/303881/ and the W3C history mirror.

Quotes worth remembering

The human mind does not work that way. It operates by association.

There is a growing mountain of research. But there is increased evidence that we are being bogged down today as specialization extends.

He may perish in conflict before he learns to wield that record for his true good.

Lenses still to grow

The wartime context — Bush’s role coordinating the [[manhattan|Manhattan]] Project, OSRD, the politics of the post-war science settlement; useful background for why this essay reads [[daoism|the way]] it does.
What Bush got wrong, and why it matters — the Memex was conceived as a personal device, not a network; the essay is silent on the social dynamics of trail-blazing at population scale.
The trail-blazer profession — Bush predicted a new role; arguably wiki editors and librarians are now performing it.

What links here, and how

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