He was, with Max Horkheimer, the founder of the critic theory with inspiration in the Marxist theory, this theory is recognized because it takes the central concepts of the Marxism and reviews it, mixing it with some conceptions of the psychoanalysis and concepts of the theory of Max Weber.
Also, he founded the Frankfurt school of social theory, one of the most famous institutes of social research in the world, that exists until today and his actual director is Axel Honneth who continues the thinking of Adorno.
The theory of Theodor Adorno, the "critic theory" is very important to the history of the sociology because it began for the ascent of the Nazi regime and critiqued the reason and the modernity. It expressed the contradictions of the illustration and instrumental reason, and stresses that the instrumental reason will always become in domination of the human beings.
I like him very much for a lot of reasons, but I will say two of them, the most important ones: the first one is because his theory, I think it helps very much in the study of the modernity and capitalist because this models of society are marked for the trust in the reason and the "rational selfishness", so if we want to criticize it, we have to criticize the reason itself. The second reason is because in the time that he lived the soviet Marxism was living his gold period, and Adorno and his partners could criticized it without became in liberal theory, they criticized it from the Marxism too but a different kind of Marxism that propose a way of socialism without the violation of the freedom. The thing that I don't like of Adorno is that he never did real politic or contributions to the revolution, he only stay in the theory but not in the action.
