Raymond Rouch (24.12.1934–14.09.2025), scientist and artist – his contribution to the modern developments of groundwater ecologyDan L. Danielopol, Michel Bakalowicz, Diana Galassi, Claude Bou, Bernard Lebreton and François LefebvreInt. J. Lim., 62 (2026) 6DOI: https://doi.org/10.1051/limn/2026004