This publication documents the first forty years of exhibitions at the Museum Ludwig. It includes impressions from all the directors of the institution as well as the architects of the building. The conceptual starting point is the anniversary exhibition ?We Call It Ludwig: The Museum Is Turning 40!?, which is reflected here in a complete overview of all the works on display.00Exhibition: Museum Ludwig, Köln, Germany (27.08.2016-08.01.2017).