Mitchell G. Ash is Professor Emeritus of Modern History at the University of Vienna, Austria, and a member of the Berlin-Brandenburg Academy of Sciences and Humanities as well as the European Academy of Sciences and Arts.

• 1. Metropolitan Scientific Infrastructures and Spaces of Knowledge in Vienna, 1848–1918: An Introduction Part 1: Historiographical Overviews 2. Metropolitan Natural Histories: Inventing Science, Building Cities, and Displaying the World 3. Periphery and Metropolis: Some Historiographical Reflections on the Urban History of Science Part 2: Focus on Vienna 1: Technical and Science-Based Infrastructures, 1850–1875 4. The Beginnings of the "City Machine": Infrastructure Expansion and International Technology Transfer in Vienna, 1850–1875 5. Metropolitan Geology and Metropolitan Collections: Turning Vienna into Stones in the Nineteenth Century Part 3: Comparative Studies and Metropolitan Networks, 1870s–1910s 6. Polar Waters in Metropolitan Space: Circulating Knowledge about the Ice-Free Arctic Ocean in Hamburg and Vienna 7. Academic Geography and its Networks in Vienna and Berlin: A First Comparative Study 8. Capital Collections, Complex Systems: Vienna, Berlin, and Ethnographic Specimen Exchanges in Transnational Fin de Siècle Scientific Networks Part 4: Focus on Vienna 2: Sciences and Publics 9. Talking About Popular Science in the Metropolis: Learned Societies, Multiple Publics and Spatial Practices in Vienna (1840–1900) 10. Science-Oriented Popular Education: Heterotopic Learning Venues for Scientific Knowledge in Vienna, 1887–1918