What is your place in society – this is the central question of politics today, it is at the heart of so many fights and struggles, about identity, about equality, about representation, symbolic and real. Dislocation, in other words, is the fundamental experience of our time, both dislocation in physical and spiritual terms. Do you belong? And what is your stake in society, very concretely, materially? This is the theme that drove the conversation with Peter Galison forward, historian of science at Harvard University.