Professor Shaowen Wang, Professor and Chair, Department of Geography and Geographic Information Science, University of Illinois at Urbana-Champaign, will deliver the Spring 2020 Harold & Florence Mayer Lecture. This lecture series is made possible by an endowment from Harold and Florence Mayer. Harold Mayer (1916–1994) was a Professor of Geography at the University of Wisconsin-Milwaukee and one of the leading scholars in the field of urban geography in the twentieth century. He specialized in Urban and Transport Geography of North America with a focus on New York, Chicago, Milwaukee, and British Columbia.