Olivier Pagès is Professor of Physics at the Lorraine University (Metz, France). His field of research is concerned with the introduction of a percolation scheme for the basic understanding of the lattice dynamics of A1-xBxC semiconductor mixed crystals. This offers a unique playground to investigate how physical properties are impacted by disorder at all length scales, from long-wavelength phonon-polaritons probed by near-forward Raman scattering to short wavelengths achieved by inelastic neutron scattering. He contributed around 90 publications.