Ricardo Pérez Montfort Doctor from UNAM (1992). He is a Research Professor at CIESAS and at the Faculty of Philosophy, Letters of the UNAM and a subject professor at the College of History and the Division of Postgraduate Studies in History. He has a specialty in political processes and culture during the Mexican 19th and 20th centuries. It also deals with the history of drugs in Mexico, social discourse and intolerance, between l850-l940, as well as some aspects of the history of photography and cinema in Mexico and in Latin America. He has published 24 books and more than one hundred scientific articles that deal, among other topics, on the history of popular and peasant movements during the Mexican Revolution, the presence of German and Spanish interests in Mexico and their links with conservative groups, their relationships international and internal organization. For more than thirty years he has studied various aspects of popular culture, daily life and nationalism throughout the 19th and 20th centuries in both Mexico and Latin America. Main or most recent publications: Hispanismo and Falange, the imperial dreams of the Spanish right and Mexico (l992), Stamps of Mexican Popular Nationalism; Essays on popular culture and nationalism (1st ed. 1994-2nd ed. 2004), Historians of Mexico in the 20th century (1995); Habits, norms and scandal; Press, crime and drugs during the late Porfiriato (1997); Yerba, gum and powder. Drugs, environments and police in Mexico 1900-1940. (1999); Avatars of cultural nationalism (2000, García Cubas Award from the INAH, 2001); Mexicans between two centuries (2003); Popular expressions and cultural stereotypes in Mexico, XIX and XX centuries. Ten Essays (2007); Everyday life, Imaginaries and Contexts. Essays of history and culture in Mexico 1850-1950 (2009); End of centuries End of cycles? (2013, coordinated in collaboration with Leticia Reina); Looks, hopes and contradictions. Mexico and Spain 1898-1948 (2013); Contemporary Mexico 1808-2014, Volume 4. Culture (2015); The fandango and its cultivators: essays and interviews (2015); Y Tolerance and prohibition. Approaches to the social and cultural history of drugs in Mexico 1840-1940 (2016).