An Unfinished Revolution? Heinz von Foerster and the Biological Computer Laboratory (BCL), 1958-1976 edited by Albert Müller & Karl Müller, published by Edition Echoraum 2007.

“This is a fascinating analysis of the scientific agenda of Heinz von Foerster, clearly one of the major scientists of the twentieth century.” (J. R. Hollingsworth, Univ. Wisconsin)

From Being to Doing by Humberto R. Maturana and Bernhard Pörksen.

This is the English version of their 2002 book “Vom Sein zum Tun”. It provides a detailled personal history of Maturana’s Biology of Cognition.

Konstruktivismus und Pädagogik by Holger Lindemann.

“Lindemann’s book is a competent and very valuable introduction to the ideas of constructivism and their application to pedagogy.” (Ernst von Glasersfeld)

Understanding Understanding: Essays on Cybernetics and Cognition by Heinz von Foerster, published by Springer-Verlag 2003.

In these essays Heinz von Foerster discusses some of the fundamental principles that govern how we know the world and how we process the information from which we derive that knowledge..