Andrew Lees is a historian of modern Europe and of the United States. He specializes on the social and intellectual history of nineteenth- and twentieth-century Germany in a comparative perspective. Lees was graduate student in history at Harvard University, where he received his Ph.D. in 1969, and met the woman who was to become his wife, Lynn Hollen. They have collaborated on several books and essays in the area of urban history, and have lived in Philadelphia since 1974.Lees has also written Cities, Sin, and Social Reform in Imperial Germany (University of Michigan Press, 2002) and The City: A World History (to be published by Oxford University Press in 2015). Lees has taught at Amherst College and at Rutgers University-Camden Campus, where he holds the rank of Distinguished Professor of History.