Jens FederJens 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 acomplished 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. Read More Read Less