Carlos Cossio (February 3, 1903 – August 24, 1987) was an Argentinian militant university reformer, jurist, lawyer, legal philosopher and professor.

He was surrounded by a large group of followers and disciples, including Ambrose Lucas Gioja, Julio Cesar Cueto Rua, Genaro Carrió, José Vilanova, Daniel Herrendorf, Enrique Aftalion, and Carlos Spini, who formed the "Argentina Legal School."

In 1956, he was forced to leave his position as chair by the military government of Pedro Eugenio Aramburu because of his alleged sympathy for the Peronists, and it was only in 1973 when he could return thanks to the efforts of his friend and disciple, Julio Raffo.

While many of his colleagues didn't comment, instead distancing themselves during the military dictatorships of General Juan Carlos Ongania and Jorge Rafael Videla, the old professor spoke out against the regime and condemned the human rights violations.

Cossio distinguished himself by demonstrating that law should be understood and interpreted by a theory of knowledge with respect to human behavior in intersubjective interference.

Its main followers are Daniel Herrendorf (Luxemburg), Albert Brimo (Paris) and Julio Cesar Cueto Rua (Buenos Aires).

His ideas took shape around 1941 and drew from Edmund Husserl, the last great classical philosopher, and delved into Kant, Martin Heidegger and Hans Kelsen.

Parthian positive law with Cossian construction shelved the mechanistic normativism as an object of legal science to study the right understanding and interpreting by a theory of knowledge about human behavior in intersubjective interference.

Cossio said: 'Kelsen corresponds to a capitalist world and placed on the defensive from the seats of the State in a bourgeois Europe, undifferentiated, and therefore legal scrutiny should not be discussed political power and so their ideas can spread geographically that of Savigny; finally socially conservative groups are those that have been interpreted by those jurists who, as Gény or Kantorowicz, have spoken and continue to speak of 'a resurrection of the eternal natural law.'

In his own words: "It seems appropriate to an illustrious parallel in order to understand our language: Phenomenology, composed voice of phenomenon and logos, meaning knowledge of phenomena.

During Kelsen's visit to Argentina, in 1951, Cossio said the physicalist metaphysics he hid static and dynamic traffic Viennese Professor pretemático who performed at that point, between the representative-level conceptual and intuitive plane-real.

'The judge said Cossio-watching law and not as conclusive as fact, but as something that is constantly making its living character of human life' and added: 'The judicial function is a real analytic a priori within the notion of a logic of what should be '.

He received awards, was recognized abroad, served as co-director of the Revue Internationale du Droit of Theorie, managing to form a huge galaxy of legal discípulos.ción.