pierre-félix guattari ( , "feh-leex gwa-tah-rhee"; march 30, 1930 – august 29, 1992) was a french psychiatrist, philosopher, semiologist, and activist. he founded two fields called schizoanalysis and ecosophy, and is best known for his academic partnership with gilles deleuze, especially their two-part book "capitalism and schizophrenia". the first part of this is titled "anti-oedipus" and was published in 1972, and the second part is "a thousand plateaus", published in 1980.