Pierre-Félix Guattari (April 30, 1930 – August 29, 1992) was a French psychotherapist, philosopher, semiologist, and activist. He founded both schizoanalysis and ecosophy, and is best known for his intellectual collaborations with Gilles Deleuze, most notably *Anti-Oedipus* (1972) and *A Thousand Plateaus* (1980), the two volumes of *Capitalism and Schizophrenia*. **Source**: <a href="https://en.wikipedia.org/wiki/F%C3%A9lix_Guattari">Felix Guattari</a> on Wikipedia (<a href="https://en.wikipedia.org/wiki/Wikipedia:Text_of_Creative_Commons_Attribution-ShareAlike_3.0_Unported_License">CC BY-SA 3.0</a>).