Mathieu HébertMathieu HÉBERT is since 2010 professor assistant at Institut d'Optique Graduate School and Hubert Curien Laboratory in Saint-Etienne, France. He is also since 2015 head of program of a master dedicated to advanced imaging and material appearance at the University Jean Monnet of Saint-Etienne, and since 2019 director of the grouping of research 'Appamat' of the French National Centre for Scientific Research (CNRS) dedicated to material appearance sciences. Read More Read Less