Amadeo Bordiga (13 June 1889 – 25 July 1970) was an Italian Marxist theorist, revolutionary socialist, founder of the Communist Party of Italy (PCI), member of the Communist International (Comintern) and later a leading figure of the International Communist Party. Bordiga was originally associated with the PCI, but he was expelled in 1930 after being accused of Trotskyism. Bordiga is viewed as one of the most notable representatives of Left communism in Europe. Source: Wikipedia (en)