French writer, born in Paris in 1867 and died in St. Rémy de Provence in 1942. He/She was the son of Alphonse Daudet, who educated him in convictions Republican and liberal; However Léon Daudet soon joined the royalist ideas and came fully into the political climate of the Dreyfus affair. He/She founded together with ch. Maurras L'action française, nationalist publication, and exacerbadamente fought against the third Republic. He/She published the stupid nineteenth century, 1921, work controversial, violent and corrosive; also wrote the voyage of Shakespeare, 1895, and a book of memoirs, literary memories, of 1915.