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Chapter 20: The Spread Of Living Processes

Alexander's summation of the entire third volume argues that living process inevitably generates a recognizable geometry — not a stylistic choice but a structural consequence. When buildings arise through step-by-step creation of local symmetries, each chosen to maximize feeling within the emerging whole, they converge on an archetypal form: densely packed local symmetries within a globally asymmetrical whole, accompanied by all fifteen properties of life. This archetype has two tiers — the weak archetype (all living structures, all traditional building) and the strong archetype (a rarer, more awe-filled core accessible only when living process combines with a half-conscious search for the origin of things). The chapter ends with its most disarming claim: that truly living architecture will look utterly ordinary, indistinguishable from nature, requiring no recognition as architecture at all.

Ten things worth taking away

  1. Living process necessarily produces a recognizable geometry — not style as arbitrary choice, but form that follows directly from the use of living processes.
  2. The deepest invariant across all scales: densely packed local symmetries with no overall symmetry — maximum centers per cubic inch, globally asymmetrical to fit conditions.
  3. Every local center is created by introducing a local symmetry; the question is always which new symmetry most intensifies the feeling of the emerging whole.
  4. The green doll example: a few cuts, each the simplest symmetry needed, nothing more — rudimentary yet carrying the intensity of a real thing.
  5. San Jose shelter: a homeless man said everything in the building was 'exactly what is required and nothing else' — this precision made him feel grounded and able to become whole.
  6. The weak archetype covers all living structure, all traditional building; the strong archetype is narrower, rarer, more awe-filled — striking fear yet creating peace.
  7. Strong archetype requires more than fundamental process: it needs living process combined with a conscious, half-conscious search for the origin of all things.
  8. The fifteen properties (levels of scale, strong centers, boundaries, alternating repetition, positive space, good shape, local symmetries, deep interlock, contrast, gradients, roughness, echoes, the void, simplicity, not-separateness) accompany every living structure necessarily.
  9. 'Savage' — not ferocious but wild, untamed, original, direct, unweakened by sophisticated thought — is the quality that emerges when fundamental process is most purely used.
  10. Truly living architecture will look ordinary, indistinguishable from nature, requiring painstaking attention to the ordinary, and will hardly look like architecture at all.

Key passages

"IN A BUILDING WHICH HAS LIFE, WHATEVER IS MADE IS ALWAYS THE SIMPLEST THING CONSISTENT WITH ITS NECESSITIES OF FEELING AND WITH THE CLOSE AND CONTINUOUS ATTENTION TO FEELING WHILE IT EVOLVES INTO FORM. THIS, I THINK, IS THE CLOSEST I CAN COME TO DESCRIBING THE CORE OF ARCHITECTURE."
"Every time the fundamental process is used, no matter at what scale, we get a structure in which local symmetries are so densely packed that the highest possible density of local symmetries occurs, but without having an overall symmetry."
"He told me, too, that he had at one time been in a difficult state... The fact that what was there was only what was necessary — nothing more and nothing less — made him feel grounded, more able to become whole. Of course, because in nature, too, there are just the symmetries which are required and no others."
"This apparent 'style,' this particular sort of geometry, is a particular kind of structure. It is that structure which follows directly from the use of living processes."
"This second archetypal core comes when the search for living structure, the use of living process is combined with a conscious desire, and a half-conscious search, for the origin of all things."
"Thus the morphogenesis of what is truly living, will have a character that, in our present way of thinking, will hardly look like architecture at all... it is achieved through painstaking attention to the ordinary."

Extracted from this chapter

Claims (18)

Findings (5)

Hypotheses (3)

Neighborhood — ranked by edge-count

Concepts (7)

concept
  • Alexander's earlier book (1977, Oxford University Press) containing 253 design patterns; extensively referenced throughout this chapter for functional examples of each of the fifteen properties
  • The sequence of unfolding and adaptation that generates living form, whether biological or architectural.
  • snippable genes
    introduces
    Small, independent, context-free process sequences that can be inserted individually into mainstream systems and spread through evolution.
  • The standard derived from Book I for judging whether a structure or process is living; now claimed to be publicly sharable.
  • A shared repository (the Internet) where morphogenetic sequences are stored, exchanged, mutated, and improved by the public.
  • The interdependence of morphogenetic sequences, where each triggers others to repair the whole environment, analogous to arithmetic operations.
  • The mechanism by which one sequence calls upon another, ensuring that linked centers are created, analogous to function calls in arithmetic.

Methods (10)

method
  • Bill McClung's method for creating fire-safe, beautiful meadows by selective vegetation reduction, applying the fundamental differentiating process steps.
  • A generative sequence enabling families to lay out an organic, unique, and beautiful house suited to site and people.
  • A sequence for contract and management that allows a house to be built organically within a fixed budget, under architect's direct control.
  • A short micro-lending sequence: lend small amounts without collateral within a face-to-face community, based on trust and intuitive feeling.
  • Sequence for generating coherent, shaped outdoor space around a house, giving it living structure.
  • A morphogenetic sequence for direct architect management of tilework, incorporating the fifteen transformations into design and laying steps.
  • Sequence that uses house volumes to shape public space, repairing the street for communal life.
  • A step-by-step sequence (posted on patternlanguage.com) for generating ornament from large centers to fine detail while preserving the whole.
  • Sequence for creating modest, hidden, and workable parking lots; called by the meadow-making process.
  • A housing development process where families meet, design houses with an architect, and share commons; partially living but constrained by existing professional norms.

Thinkers (8)

thinker
  • Computer scientist and complexity theorist, pioneer of genetic algorithms and complex adaptive systems.
  • Co-author of A Pattern Language.
  • Noted the paradigm shift from study of 'systems' to 'languages' in computer science; informs the distinction between programming languages and programming systems.
  • Economist and founder of the Grameen Bank, exemplifying a successful small, independent social sequence.
  • Co-author of Design Patterns, a seminal book in the software patterns movement.
  • Biologist whose work on morphogenesis and cell types in embryos is referenced in the appendix to support the analogy between biological unfolding and living process.
  • Computer scientist who helped promote software patterns as a medium of exchange among developers.

Books (4)

book

Artifacts (1)

artifact
  • Website serving as the initial public gene pool where morphogenetic sequences are posted, shared, and improved.