Ignacio Matte Blanco was a Chilean psychiatrist and psychoanalyst who developed a rule-based structure for the unconscious which allows us to make sense of the non-logical aspects of thought. Born in Santiago, Chile, Matte Blanco was educated in Chile, and before leaving Chile for London, was in analysis with Fernando Allende Navarro, Latin America's first qualified psychoanalyst. He trained [in psychiatry] at the Maudsley Hospital and in psychoanalysis at the London Institute, where he was in supervision with Anna Freud and James Strachey, becoming a member of the British Society in 1938. He