Ludger Jansen teaches philosophy at the Ruhr-University Bochum and the University of Rostock. He holds degrees in both philosophy and theology, a doctorate in philosophy from the University of Münster, and habilitated in philosophy at the University of Rostock. His research covers wide areas of metaphysics and ontology, including the biomedical and social ontology. Paul M. Näger is currently an assistant professor for philosophy at the University of Münster. He studied physics and philosophy in Munich, Oxford and Bremen and specializes in the philosophy of science, the philosophy of physics and metaphysics. He is author of the forthcoming book “Quantum Entanglement and Causation” and a co-author of the textbook “The Philosophy of Quantum Physics”.