Roland Barthes (1915–1980), French literary theorist, philosopher, linguist, critic and semiotician, published an extensive number of books and essays, some of which include S/Z (1970), L’empire des signs / Empire of Signs (1980) and La cambre claire: note sur la photographie / Camera Lucida: Reflections on Photography (1980). More information and pdfs of his work can be found on his author page at monoskop.org.