About the Author
Guenther Ruediger received his PhD from the University of Jena, Germany. He is Professor at the Astrophysical Institute Potsdam, and lectures at the University of Potsdam. He worked at the University of Goettingen, and the High Altitude Observatory in Boulder, Colorado. He is also a former visiting professor at the University of Newcastle upon Tyne, England.
Rainer Hollerbach is Reader in Applied Mathematics at the University of Glasgow, Scotland. He has a PhD in Geophysics from the University of California, San Diego. He recently spent a year in Germany as a Research Fellow of the Alexander von Humboldt Foundation.