Daniel Alves is Assistant Professor at the History Department in Faculdade de Ciências Sociais e Humanas (FCSH), Universidade NOVA de Lisboa, and researcher in the Institute of Contemporary History (IHC). He has a MA in 19th Century History (2001) and a PhD in Economic and Social Contemporary History (2010). He collaborated in several projects funded by the Portuguese Science and Technology Foundation, and the European Science Foundation. He has a special interest in the study of the lower middle-classes between 1870 and 1914, in the History of Revolutions, Urban History, and Historical GIS. He published several books and papers in Portuguese and International peer review journals, mainly about economic and social history, and Historical GIS.