Editor
Institute for Theoretical Physics
University of Cologne

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Picture Credits
Illustrations: © University of Cologne
www.koelntourismus.de
© zweimalig GbR
DFG/ © Fotostudio Querbach
University of Cologne | Catrin Blachani
Fabian Stürtz

Design and Realisation
Martina Markus
E-Mail: m.markus(at)verw.uni-koeln.de