A semicircular building this architect called “his little gem” is the only one he deliberately made wheelchair accessible. This architect encouraged clients to help make the concrete blocks that formed their so-called “automatic” buildings. At age 86, this architect designed a building whose red copper and cypress roof features hexagonal skylights, (15[1])and which includes a wall-less parking area. This architect claimed Samuel Butler coined a term they used for buildings that often featured (*) “carports”. This architect kept the price below 5,000 dollars while designing one-story L-shaped buildings like the Jacobs House and Kentuck (10[1])Knob, which exemplify their modest “Usonian homes”. (10[1])A house this architect designed for Edgar Kaufmann uses cantilevers to bridge the Bear Run river. For 10 points, name this architect of Fallingwater. ■END■