A complete panorama of the astonishing personality of Jean-Pierre Brisset, unknown writer, grammarian, cosmologist and inventor. This publication combines Brisset's biography, with a linguistic and philosophical study of the thinker as well as of most of the critical texts he published on Jules Romains, Marcel Duchamp, André Breton, Robert Desnos, Michel Leiris, Raymond Queneau, Michel Foucault.