"Pioneers of American Industrial Design" stamp pane. “Quicktake: Stamps of Approval,” organized by the Smithsonian’s Cooper-Hewitt, National Design Museum with the Philbrook Museum of Art, features the work of American industrial designers recognized by the U.S. Postal Service in a new series of Forever stamps. The stamps commemorate 12 pioneers of American industrial design whose designs helped shaped the look of everyday life in the 20thcentury.