The author Ferdinand Cap is Professor Emeritus for Theoretical Physics at the University of Innsbruck, Austria. He holds a MS and PhD (under the honourable auspices of the President of the Republic of Austria) and was awarded the Rutherford Medal of the Soviet Academy of Sciences. His career includes serving as assistant to Erwin Schroedinger, Senior Research Associate at NASA and the University of Princeton, NJ, Plasma Laboratory. He has been guest or visiting Professor at leading institutions around the world including the USA, Russia, South Africa, Japan, India and nearly all European countries. He specializes in hydrodynamics and plasma physics as well as mathematical methods in physics and engineering, and has written several textbooks in these fields.