Featured Image: Elevation Views, Cross Section, and Floor Plans, Standardized Rural House, Type A, October 1920; Designed by Hector Guimard (French, 1867–1942); Diazo print on beige wove paper; 31.8 x 22.5 cm (12 1/2 x 8 7/8 in.); Cooper Hewitt, Smithsonian Design Museum; Gift of Mme Hector Guimard, 1956-78-1-63; Photo: Matt Flynn © Smithsonian Institution