Gaetano Mosca (1858-1941) - Italian jurist, sociologist and political thinker. His work on the theory of the political class paved the way for a new scientific direction in political, legal and sociological research, which is now called elitology. In the essay "History of Political Doctrines" G. Moska gives an overview of political teachings from the beginning of written history to the turn of the XIX-XX centuries.