Autonomism
Later , post-Marxist and anarchist tendencies became significant after influence from the Situationists , the failure of Italian far-left movements in the 1970s , and the emergence of a number of important theorists including Antonio Negri , who had contributed to the 1969 founding of "Potere Operaio" as well as Mario Tronti , Paolo Virno and Franco "Bifo" Berardi . 
<triplet> Antonio Negri <subj> Potere Operaio <obj> member of political party