She is regarded as one of the world’s foremost experts in the psychology of cognition, decision-making and reasoning. Her work has had an impact far beyond the boundaries of her own discipline, and her insights have been taken up by economists and philosophers, among others. Professor Hahn was nominated for the award by Professor Stephan Hartmann, who holds the Chair in Theory of Science and is one of the Directors of the Munich Center for Mathematical Philosophy (MCMP) at LMU. The aim of their collaboration is to explore links between philosophy and psychology, focusing on problems related to the nature of individual and collective rationality. Furthermore, Professor Hahn will take an active part in the DFG Priority Program “New Frameworks of Rationality”.