Frank Schipper is a historian of technology and an independent scholar specializing in mobility and infrastructure studies. He is the author of Driving Europe: Building Europe on Roads in the Twentieth Century (2008) and, most recently, co-author of Cycling Cities: The Rotterdam Experience (2019).

Martin Emanuel is a historian of technology affiliated with the Department of Economic History, Uppsala University with a profile on mobility, urban, and tourism history. He is the author of Trafikslag på undantag: Cykeltrafiken i Stockholm 1930–1980 [Excluded through Planning: Bicycle Traffic in Stockholm 1930–1980] (2012) and co-author of Cycling Cities: The European Experience (2016).

Ruth Oldenziel is a professor in the History Division of the Technology, Innovation, and Society Department at Eindhoven University of Technology, where she heads the research program “Sustainable Urban Mobility, 1880s-Present.” She has published widely in the areas of American, transatlantic, gender, and technology studies, most recently as co-author of the volumes Cycling Cities: The European Experience (2016) and Engineering the Future, Understanding the Past (2017).