Biographical note

Jens Feder was Professor of Physics at the University of Oslo and author of the classic text, Fractals (Plenum Press, 1988). He had broad research interests including condensed matter physics, fluid dynamics and complex systems, and published many accomplished papers on these topics among others. He also successfully mentored a large number of developing researchers throughout his career. Feder was member of the Norwegian Academy of Science and Letters. Eirik Grude Flekkøy is Professor of Physics at the University of Oslo and Professor of Chemistry at the Norwegian University of Science and Technology. He has published a number of articles and written several books in statistical physics and hydrodynamics. He currently co-leads the Centre of Excellence Porous Media Laboratory (PoreLad) and is a member of the Royal Norwegian Society for Science and Letters. Alex Hansen is a Professor of Physics at the Norwegian University of Science and Technology. Since 2017 he has been the Director of the Centre of Excellence Porous Media Laboratory (PoreLab). He has an outstanding and extensive publication record in physics of porous media, complex matter physics and computational physics. Hansen is a member of the Norwegian Academy of Science and Letters and the Royal Norwegian Society for Science and Letters. He has an honorary doctorate from the University of Rennes, and he is honorary faculty at the Indian Institute of Technology at Guwahati.