David Romand is a philosopher, historian of knowledge, and language theorist, currently an associate researcher at Centre Gilles-Gaston Granger, Aix-Marseille University (France). As a language theorist, he is particularly interested in semantic, semiotic, and metalinguistic issues, with a strong focus on the German-speaking context and affective science.
Michel Le Du is full professor of philosophy at the University of Aix-Marseille and a member of the Centre Gilles-Gaston Granger. He co-edited the volume Wittgenstein and Aesthetics, Perspectives and Debates (Berlin, Ontos, 2011) and has also written numerous papers on Wittgenstein, philosophy of mind and philosophy of social sciences.