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Félix Guattari, a renowned French philosopher, psychoanalyst, and political activist, passed away in 1992. He was a key figure in the development of post-structuralist thought and social theory, particularly through his collaborations with Gilles Deleuze. Guattari's work explored themes of subjectivity, desire, and the production of knowledge, and he made significant contributions to the fields of psychoanalysis, schizoanalysis, and political philosophy.