Jörn Müller is a physicist and did his PhD at the German Electron Synchrotron research centre, or "DESY", working in the field of condensed matter physics. He has worked in R & D departments in the field of optics and electrophotography and in the development of high energy lasers. He has been freelancing at the Institute for Astronomy and Astrophysics at the University of Munich since completing his university course on astronomy.