The Art Nouveau Period (1890-1914) is an international movement of architecture and the decorative arts at the turn of the 20th century. It is characterized by non-geometric plant and floral-inspired motifs, as well as highly-stylized, sinuous lines. It was a reaction to mass production and a return to handcraftsmanship and the human imagination. Designers in the movement include Charles Rennie Mackintosh, René Lalique, and Louis Comfort Tiffany,