Raymond Rouch (24.12.1934 – 14.09.2025), scientist and artist -His contribution to the modern developments of Groundwater Ecology Dan L. Danielopol (1*), Michel Bakalowicz (2), Diana Galassi (3), Claude Bou (4), Bernard Lebreton (5) and François Lefebvre (6)1-Institute of Earth Sciences, NAWI Graz, Geocenter, University of Graz, AustriaORCID ID – 0000-0003-3968-5564 2- HydroSciences Montpellier (HSM), Univ. Montpellier, CNRS, IRD, Montpellier, France ORCID ID – 0000-0001-6021-1203 Department of Life, Health & Environmental Sciences, University of L’Aquila, 67100 L’Aquila, Italy ORCID ID – 0000-0002-6448-2710 4-Chemin de la Fourestole, N°52, 81990 Cambon d’Albi, France Chemin de Japhet, N°9, 24140 Saint-Hilaire-d'Estissac, France Rue de Polverel, N°4, 19100 Brive-la-Gaillarde; also SEPANSO, 33800 Bordeaux, France ORCID ID – 0009-0002-9143-1799Raymond Rouch Dan Danielopol, Michel Bakalowicz, Diana Galassi, Claude Bou, Bernard Lebreton and Francois Lefebvre Accepted: 30/04/2026
