Nadja est un récit autobiographique d'André Breton publié en 1928, revu et corrigé par l'auteur en 1962.
André Breton and his brother Louis-André were among the first daguerreotypists in Paris in 1839. The Breton brothers operated a studio at rue Servandoni 4, Paris, where they manufactured optical instruments along with instruments for physics, chemistry, and mathematics. They also had a shop at rue Petit-Bourbon 9, where they sold insruments and daguerreotypes..