Featured Image: Poster, Henry Dreyfuss Symbol Sourcebook 1972, 1971; Print on metallic-coated paper; 45.7 x 61.3 (18 x 24 1/8 in.); Designed by Henry Dreyfuss (American, 1904-1972); Published by McGraw Hill Book Company (New York, NY, USA); Henry Dreyfuss Archive, Cooper Hewitt, Smithsonian Design Museum, 1972-88-1-28; Photo by Matt Flynn; Image © Smithsonian Institution