Paolo Virno (Naples, 1952), philosopher and activist of the labor movements, member of the organization Potere Operario and co-founder of the Metropoli magazine. He had his first political experiences on the occasion of the social movements of 1968; the association between personal achievement and the fight against capitalism, typical of the critique artiste of the 1960s, would later become one of the crucial reasons for his political philosophy. Some of his books published in Spanish: The memory of the present. Essay on historical time; Grammar of the crowd. For an analysis of contemporary ways of life; Virtuosity and revolution. Political action in the age of disenchantment; When the verb becomes meat. Language and human nature; Words with words. Powers and limits of language.