This page contains some of my materials related to design patterns, pattern languages and Christopher Alexander. -- Helmut Leitner

For German materials see Materialien.

Facebook group

There is a Facebook group for discussions in a scientific context:

Book "Pattern Theory"

My small book “Pattern Theory: Introduction and Perspectives on the Tracks of Christopher Alexander” (Leitner, 2015) gives a short and easy to read introduction to the work and thought of Christopher Alexander:

You can find more information about the book at http://www.patterntheory.org/wiki.cgi

The book is available at the following Amazon platforms and from any bookstore:


An introduction in the context of the “Patterns of Commoning”:

  • “Working with Patterns: An Introduction”
    • APA: Leitner, H. (2015). “Working with Patterns. An Introduction” in Bollier, D., and Helfrich, S. (Eds.) (2015). Patterns of Commoning. Levellers Press.
    • Download from Academia: https://www.academia.edu/23649027/

A paper for the PURPLSOC 2015 Conference:

  • “A Bird’s-Eye View on Pattern Research”
    • APA: Leitner, H. (2015). “A Bird’s-Eye View on Pattern Research” in Baumgartner, P., Sickinger, R. (Eds.) (2015). PURPLSOC The Workshop 2014. PURPLSOC Conference Edition.
    • Download from Academia: https://www.academia.edu/23692626/

An introduction in a philosophical context (draft):


These diagrams can be freely used under the Creative Commons CC BY SA license. They are from the article “Christopher Alexander: An Introduction” (see above). High-resolution images for printing are given.

15 Properties of Living Structures:

The Pyramid of the 4 Paradigms of Pattern Research

(1) Pattern Thinking vs Categorial Thinking:

(2) Pattern Language:

(3) Creative Cycle

(4) Ethics of Design

Card Stack: 64 Concepts of Pattern Theory

Possible Interpretations:

  • 64 Concepts of Pattern Theory
  • 64 fundamental Alexander’s Thought - a modular way of access
  • A Glas Bead Game - Hermann Hesse's game implemented by using Alexander's concepts
  • An Alphabet of Design

The cards are licensed using the Creative Commons License CC BY SA and can be freely uses, copied, and published.

The 64 cards in one PDF file:


A guest lecture at the Danube University, June 17,2014:

Lecture “Pattern Languages and Christopher Alexander: Introduction and Crash Course”

An interview for the PURPLSOC 2015 Conference:

Interview “Pattern Languages und Christopher Alexander”

© die Autoren geändert: September 5, 2017