Stephan Rosswog is Professor of Astrophysics at the School of Engineering and Science, International University Bremen, Germany. He is a member of the German Physical Society (DPG) and the International Astronomical Union, and is the recipient of a PPARC Advanced Fellowship.
Marcus Br�ggen is Professor of Astrophysics at the School of Engineering and Science, International University Bremen, Germany. He is a member of the International Astronomical Union and Deutsche Astronomische Gesellschaft, and a recipient of the Blackwell Prize from the Royal Astronomical Society.