Abstract
In a political version of the old biological cliché “ontogeny recapitulates phylogeny” Cornelius Castoriadis seems to embody in his personal evolution fetal stages in the labor pains of the left since World War II. According to Dick Howard in the The Marxian Legacy Castoriadis was a youthful member of the Greek Communist Party where opposition to Stalinism lead him to Trotsky. After the war and the resistance he emerges in Paris studying philosophy and cuts his political teeth on the splits and schisms within the political fantasy world of the IV International. He founds Socialisme ou Barbarie, abandons Trotskyism, moves through the Western Marxist tradition and after more splits and more journals he ends up, after May 68, a practicing psychoanalyst