2904349 Paul Hankar, architect, 1896 (poster) by Crespin, Adolphe Louis Charles (1859-1944); (add.info.: Hankar was a Belgian architect and designer who, along with Victor Horta and Henry Van de Velde, is considered one of the principal architects to work in the Art Nouveau style in Brussels at the turn of the twentieth century.); Buyenlarge Archive/UIG; Belgian, out of copyright.