Pierre-Félix Guattari was a French psychoanalyst, political philosopher, semiotician, social activist, and screenwriter. He co-founded schizoanalysis with Gilles Deleuze, and ecosophy with Arne Næss, and is best known for his literary and philosophical collaborations with Deleuze, most notably Anti-Oedipus (1972) and A Thousand Plateaus (1980), the two volumes of their theoretical work Capitalism and Schizophrenia.

Anti-Oedipus: Capitalism and Schizophrenia is a 1972 book by French authors Gilles Deleuze and Félix Guattari, the former a philosopher and the latter a psychoanalyst. It is the first volume of their collaborative work Capitalism and Schizophrenia, the second being A Thousand Plateaus (1980).