He has specialized in the history of sound, the biopics, spectatorship and 3-D in film. Among his recent publications are ‘Bruits, cris, musiques de films’; ‘Les Projections Avant 1914 (2010) with Kira Kitsopanodou; ‘Le Cinéma 3-D. Histoire, économie, technique, esthétique’ (Armand Colin, 2015) with L. Jullier; ‘Une brève Histoire du cinema’ (1895-2015), (Pluriel, 2017), and alone ‘Les Lumières de la Ville – Charlie Chaplin’, (Réseau Canopé, 2017). He has been a visiting scholar at the University of California, San Diego (teaching in English), the University of Fluminense, Rio de Janeiro (teaching in Spanish). He was also a teaching assistant for one year at the University of Iowa, (teaching in English) the History of European film.