The distinguished librarian, bibliographer, and professor Luis Florén graduated in Philosophy and Literature, History Section, at the University of Zaragoza in 1935. He began to publish historical and literary studies at a young age, and to collaborate in the Federación Universitaria Escolar (FUE) .
During the Civil War, he fought on the Republican side and at the end of the war, he went into exile in France, heading for the Dominican Republic in the last days of 1939.
There he worked as a professor in the Faculty of Philosophy and Literature at the Autonomous University of Santo Domingo , where he was the director of the University Library between 1939 and 1953. He also worked in Colombia and, between 1960 and 1973, he directed the Escuela Interamericana de Bibliotecología (EIB) at the Universidad de Antioquia (Medellín).
He died in Bogotá while attending an international library science congress. In 1988, the EIB created the "Luis Florén Lozano Award" in his honour.