For many people, urbanization and the growth of big cities promised new lives, employment opportunities and increased prosperity. And in the long run this fundamental process of social change witnessed the spread of a new urban way of life. In the short run, however, the rapid urbanization of German society brought a range of pressing social, political and environmental concerns. Rapidly expanding cities meant overcrowding, sickness, pollution and growing inequality between the rich and poor. While some of these problems were largely overcome in the course of the twentieth century, German...