Jean-Paul Thibaud is a sociologist and a senior CNRS researcher at the CRESSON research Lab (UMR 1563 Ambiances, Architectures, Urbanities). Nicolas Tixier is an architect and a professor at the Grenoble National School of Architecture. He is a researcher at the CRESSON Research Lab (UMR 1563 Ambiances, Architectures, Urbanities). David Zerbib is a philosopher. Scientific coordinator of Research at the Annecy Alpes School of Art (ESAAA), he is also a Lecturer in Philosophy of Art at the Geneva University of Art and Design (HEAD - HES-SO). Didier Tallagrand is an artist. He has been teaching at the Annecy Alpes School of Art since 2002.