A Pattern Language

The cover of the book "A Pattern Language" by Christopher Alexander is shown next to a page from the booking--the latter shows "stair case steps."

Why Christopher Alexander Still Matters

The author of "A Pattern Language" and "Notes on the Synthesis of Form" had an outsize influence far beyond architecture and urbanism—and still does.

March 22, 2022 - Michael W. Mehaffy

Paris Street

Christopher Alexander, Influential Author of "A Pattern Language," Passes Away at 85

Christopher Alexander died on March 17, leaving behind a towering legacy of influence on the fields of architecture, planning, and urban design.

March 20, 2022 - CNU Public Square

Paris Street

Is it Time to Revive the Pattern Language?

Software and other fields have made brilliant progress with the pattern language methodology, while built environment fields lag badly, mired in parochial debates over the massive book that invented the methodology.

April 21, 2020 - Michael Mehaffy

The Unexpected Influence of Christopher Alexander

Known for A Pattern Language, his landmark book on architecture and urban design, Christopher Alexander's ideas have had an effect on everything from software and iPhone apps to business management and ecology.

September 8, 2011 - Metropolis Magazine

Top Books

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Urban Design for Planners 1: Software Tools

This six-course series explores essential urban design concepts using open source software and equips planners with the tools they need to participate fully in the urban design process.

Planning for Universal Design

Learn the tools for implementing Universal Design in planning regulations.