Featured Image: Plan of Ground Floor for Villa Hemsy, Saint-Cloud, May 1913; Designed by Hector Guimard (French, 1867–1942); Blueprint on white wove paper; 54.6 x 27.5 cm (12 1/2 x 10 13/16 in.); Cooper Hewitt, Smithsonian Design Museum; Gift of Mme Hector Guimard, 1950-66-18; Photo: Matt Flynn © Smithsonian Institution
