Raphael Kirchner (1876 – 2 August 1917) was an Austrian artist, principally a portrait painter and illustrator best known for Art Nouveau and early pin-up work, especially in picture postcard format. Raphael Kirchner produced over a thousand published paintings and drawings in his lifetime, mostly in the form of picture postcards. His orientalist "Geisha" series was among his most popular, with over 40,000 cards sold. (Wikipedia.org)