A chair is a very difficult object. A skyscraper is almost easier. That is why Chippendale is famous.
Source: In Time, 18 Feb 1957.
-- Ludwig Mies van der Rohe, (Mar 27 1886-1969), German-US architect; He was the master of 20th-c. architecture who built the first steel and glass skyscraper, Seagram Bldg, NYC, 1956.