Technique: Gothic vaulting	Caen, St. Etienne, 11c
Anzy-le-Duc, Sainte-Trinite, 12c.	Aulnay, St. Pierre, 12c
Technique: Flying Buttresses	*Bourges, St. Etienne, 12c
*Louis Sullivan, Wainright Building, St. Louis, 1891  7.21	Technique: Steel Frame 7.5
	William van Allen, Chrysler Building, NY, 1930 7.23
Technique: Cantilever 7.15	*Frank Lloyd Wright, Falling Water, PA, 1936   7.16
*Buckminster Fuller, U.S. Pavilion, Expo '67, 1967  7.7	Joern Utzon, Sydney Opera House, 1972
*Renzo Piano/Richard Rogers, Pompidou Center, Paris, 1978  7.6	*Team Disney Building, Orlando, Arata Isozaki Associates, 1991
Frank Gehry, Guggenheim Museum, Bilbao, 1997	Best Stores Showroom, Houston, SITE Projects, Inc., 1975

flying buttress

steel frame

cantilever

geodesic dome