Professor of the Physics of Environmental Systems, ETH Zurich

Prof. of geosciences

University of Minnesota

Geochemist/Hydrogeologist, Lawrence Berkeley National Laboratory

Emeritus Professor of Geochemistry, University of Bristol

University of Virginia

Professor, Jackson School of Geosciences, University of Texas at Austin

Montana Tech Dept of Geological Engineering

University of Bern

Professor of Environmental Geochemistry and Soil Chemistry