José Luis Romero (1909-1977) was one of the most notable Argentine historians. He taught at the National University of La Plata, where is doctoró- and the University of the Republic in Uruguay, and since 1958 at the University of Buenos Aires, where he was rector from 1955 to 1956 and Dean of the Faculty of Arts between 1963 and 1965. there he founded the department of Social history, which greatly influenced the historiographical renewal of the 1960 Specialized in medieval European history, he developed a deep research on the bourgeois mentality and the urban world, culminating in its three major works: the bourgeois revolution in the feudal world (1967), Crisis and order in the world feudoburgués (1980) and Latin America, cities and ideas (1976). Other works have been widely disseminated Political ideas in Argentina (1946), The Middle Ages (1950) and Western culture (1953). Romero was active in the Socialist Party