Featured Image: Doors for the Music Room of Mr. and Mrs. Solomon R. Guggenheim, 1925ñ26; Designed by Seraphin Soudbinine (French, b. Russia 1870ñ1944); Executed by Jean Dunand (French, b. Switzerland, 1877ñ1942); Made in Paris, France; Carved, joined, and lacquered wood, eggshell, mother-of-pearl, gold leaf, cast bronze; 271.2 ◊ 65.9 ◊ 7.6 cm (8 ft. 10 3/4 in. ◊ 25 15/16 in. ◊ 3 in.); Cooper Hewitt, Smithsonian Design Museum; Gift of Mrs. Solomon R. Guggenheim, 1950-104-1/4; Photo: Matt Flynn © Smithsonian Institution