Valéry Didelon is an architecture critic and historian. Since the early 2000’s he writes on a regular basis for numerous french and foreign periodicals. In 2007, he co-founded criticat, a journal for architecture critique that he today edits. Besides, he teaches project and history at the École nationale supérieure d’architecture de Paris-Malaquais and the École nationale des ponts et chaussées. As a historian he gave many conferences about postmodernism in these last years and took part in a number of symposiums and scientific publications with regard to this subject.