Nicola Abbagnano (1901-1990) was the greatest Italian historian of philosophy in twentieth century and one of the greatest in Europe and the West. In his memory Rosanna Panelli Marvulli dedicated an extensive biography. With Franco Ferrarotti, Abbagnano founded “Quaderni di Sociologia”, this journal, in 1951. Both had intense contacts with American philosophical and sociological culture. The aim was to claim the legitimacy of sociology as a social science; reject the criticisms of Benedetto Croce and the Marxists; outline a “rigorously individualistic conception of social life”; reject any determinism, therefore positivist and Marxist theories. It was not by chance that the initiative was heavily criticized by philosophers with a spirituali...