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Christopher Alexander: A Primer

Ryan Singer · Youtube · 48 HN points · 1 HN comments
HN Theater has aggregated all Hacker News stories and comments that mention Ryan Singer's video "Christopher Alexander: A Primer".
Youtube Summary
Christopher Alexander’s work is hard to get into. He’s written over 15 books, and there isn't one that serves as a general intro or overview for the rest. In this livestream, I gave an informal introduction to what I think are the most important ideas in his body of work. Outline with timestamps below...

0:00:00 Background and motivation

0:06:48 Plan of the talk

0:10:32 Form, Context, and Fit

0:16:40 Beyond Fitness: Life and a Better World
- 0:18:29 Example: Soviet style building vs a living courtyard
- 0:22:46 Example: Redesigning a tree planter in a plaza

0:27:43 Introducing centers and generative process

0:30:08 Centers — Coherent regions in spatial structure
- 0:32:50 Example: Human face, well adapted centers
- 0:34:31 Example: Entrance of a building
- 0:35:58 Strong centers and weak centers

0:37:22 Process — Step by step adaptation
- 0:37:22 Example: Nolli plan of Rome
- 0:39:41 Sequence and path-dependence
- 0:40:41 A pattern as a form/context pair and a generic set of centers
- 0:41:54 Example: 6-Foot Balcony
- 0:44:17 Knitting patterns together into a language
- 0:44:33 Example: Farmhouse kitchen
- 0:45:25 Sequence of the kitchen layout
- 0:47:31 Example: Sequencing a house and a garden

0:49:02 Project-Specific Pattern Languages
- 0:52:32 How pattern languages give freedom to unify design and construction
- 0:54:06 Example: Generating two kinds of classroom buildings
- 0:54:55 How different languages generate different designs
- 0:56:26 Example: Changing the position of a fireplace during construction
- 0:57:33 Example: Large scale patterns for the Eishen school
- 1:00:40 Centers: 15 properties as transformations
- 1:01:52 Example: Redesigning the people screen in Basecamp and creating a pattern language for the project

1:08:21 Summary
1:11:27 Q&A

Books mentioned:
- Notes on the Synthesis of Form: https://www.amazon.com/Notes-Synthesis-Form-Harvard-Paperbacks/dp/0674627512
- The Nature of Order, Book 1: https://www.amazon.com/Nature-Order-Phenomenon-Environmental-Structure/dp/0972652914/ref=pd_lpo_14_t_2/145-7140715-2453459?_encoding=UTF8&pd_rd_i=0972652914&pd_rd_r=d4b5055a-cc99-47ee-9540-86a90da95ef6&pd_rd_w=YeXR3&pd_rd_wg=6ZLCI&pf_rd_p=7b36d496-f366-4631-94d3-61b87b52511b&pf_rd_r=R5DZNSHZGX826E9FP99P&psc=1&refRID=R5DZNSHZGX826E9FP99P
- The Nature of Order, Book 2: https://www.amazon.com/Process-Creating-Life-Building-Universe/dp/0972652922/ref=pd_sbs_14_3/145-7140715-2453459?_encoding=UTF8&pd_rd_i=0972652922&pd_rd_r=86f7f289-6560-465d-968a-f6171c79315d&pd_rd_w=qxWry&pd_rd_wg=HXGNL&pf_rd_p=0b2db3d1-33eb-418a-9672-bb9bd54808e8&pf_rd_r=SR7T4NYSKH1PACS9X38T&psc=1&refRID=SR7T4NYSKH1PACS9X38T
- Battle: https://www.amazon.com/Battle-Life-Beauty-Earth-World-Systems/dp/0199898073/ref=pd_sbs_14_9?_encoding=UTF8&pd_rd_i=0199898073&pd_rd_r=86f7f289-6560-465d-968a-f6171c79315d&pd_rd_w=qxWry&pd_rd_wg=HXGNL&pf_rd_p=0b2db3d1-33eb-418a-9672-bb9bd54808e8&pf_rd_r=SR7T4NYSKH1PACS9X38T&psc=1&refRID=SR7T4NYSKH1PACS9X38T
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Something mildly related which I found interesting from a recent talk by Ryan Singer is that Christopher Alexander of "Pattern Language" fame create some unusual architectural design software called GateKeeper that guides sketching based on prompts from a pattern language:

Gatekeeper demo:

https://www.youtube.com/watch?v=xq6yKyauu-o

Ryan Singer's talk "Christopher Alexander: A Primer"

https://www.youtube.com/watch?v=XLsTZXT0FlM

Aug 03, 2020 · 48 points, 11 comments · submitted by msmithstubbs
kanobo
If you have any interest in human-centered architecture or design in general, Pattern Language and The Nature of Order are worth reading. They're not quick reads that you can easily summarize though.
germinalphrase
I’m neither an architect nor a software engineer, but every six months or so I flip through A Pattern Language just to help imagine buildings I’ve never been in. It’s a beautiful book.
thelastinuit
I read Notes on the Synthesis of Form and I loved it. Then I read A Pattern Language... damn son.

I recently bought The Battle for the Life and Beauty of the Earth. Within the first 2 pages I was already hooked. But in fairness, It's because I think we are two minds alike so I hardly disagree with him... which I think it's bad.

mfsch
Related: There was a recent discussion on HN [1] of an article in which someone described their process for designing a new home, and the author recommended “The Timeless Way of Building” by Christopher Alexander as one of their inspirations. I’ve since started reading the book and found it very inspiring so far. I haven’t read “A Pattern Language” yet, but my impression is that “The Timeless Way” is focusing a bit more on the “why” rather than the “how”.

[1]: https://news.ycombinator.com/item?id=23881363

duncanawoods
Another reading suggestion along those lines is "The design of design" by Fred Brooks (of Mythical Man Month fame). He discusses design approaches as uses his process of building his own house as the primary example:

https://www.amazon.com/Design-Essays-Computer-Scientist/dp/0...

ratrocket
I don't remember where I read it (sorry), but I recall that "The Timeless Way of Building" and "A Pattern Language" were supposed to be, or were conceived as, one book. But it would've been way too long, so it was split up. Generally, I think you're right: "TTWoB" is sort of the set up to "APL", motivating why "APL" is useful, and telling you how to use it. I remember I used to be more drawn to "APL" because you can just open it up anywhere, and since the patterns are so short, you just read a little bit and get inspired. It's bite-sized fun! But when I finally read "The Timeless Way of Building", things really clicked. "APL" is really illuminated by digesting "TTWoB" first. (I also think "APL" is more useful read cover to cover, though nothing wrong with taking some bite-sized inspiration once in a while :) )

So, I guess, besides just agreeing with you, sort of also saying, keep reading "TTWoB", soak it up, then you'll be primed for "APL". It's such a fun journey! (If you can't tell, I'm a big admirer of Christopher Alexander :) )

andrewzah
I found Christopher Alexander's The Timeless Way of Building through a recommended list on HN, and it ended up changing how I think about software architecture and life in general. I can't recommend it enough.
simonebrunozzi
Tangentially related: there's a HN thread now on "Townscape" [0], a game with no goals, no levels, no enemy, etc - you can simply build cities and villages by clicking around.

[0] https://store.steampowered.com/app/1291340/Townscaper/

anm89
Alexander's The Timeless Way of Building is probably one of the top 3 things I have ever read on any topic, maybe my favorite thing I've ever read.
Gys
In case you also read the comments first and wonder who this is:

https://en.wikipedia.org/wiki/Christopher_Alexander

> Christopher Wolfgang Alexander is a widely influential British-American architect and design theorist, and currently emeritus professor at the University of California, Berkeley.

munificent
More relevant to the HN crowd, he invented the general concept of a "pattern language" and described a set of patterns for architecture.

The Gang of Four took that concept, hunted down a set of patterns they found in software architecture, and wrote "Design Patterns: Elements of Reusable Object-Oriented Software" based on it, one of the most famous books in programming.

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