Featured Image: Poster, Triangle Comparisons, 1971; Designed by Paul Clifton for the Office of Henry Dreyfuss (South Pasadena, California); Ink and graphite on paper; 65.4 x 49.5 cm (25 ¾ x 19 ½ in.); Henry Dreyfuss Archive, Cooper Hewitt, Smithsonian Design Museum, 1972-88-1-12; Photo by Matt Flynn; Image © Smithsonian Institution
