Luciana Castellina has been a leading figure of the Italian Left since the 1960s. She co-founded the Partito di Unita Proletaria per il communismo (PdUP) and the Movimento dei Comunisti Unitari (CU). She was a member of the European parliament from 1979 to 1999 and has been at different times the editor of "Nuovo Generazione", "il manifesto" and "Liberazione".