This is a lecture on Christopher Alexander’s book The Nature of Order, Volume 4 The Luminous Ground, Chapter 3 The Existence of an “I”, by Nikos A. Salingaros, Professor of Mathematics and Architecture at The University of Texas at San Antonio. Given on 11 March 2021 to the Building Beauty Post-Graduate Diploma in Architecture Course. 

Nikos Salingaros: The Existence of an “I” (Lecture)