Last stop was the Robie House, built by Frank Lloyd Wright for Frederick C. Robie, the assistant manager of the Excelsior Supply Company, and his wife, Lora Hieronymus Robie, and stuffed full of new technology, including multiple bathrooms, an automatic vacuum system and a three-car garage.   It seemed a curious mixture of functional efficiency and ornate, highly decorated opulence, with dividing walls removed and unexpectedly low ceilings to maintain the vigorous horizontality of the overall, low-slung, Prairie School design, Frank Lloyd Wright’s last work in Chicago, immortalised in his Wasmuth Portfolio:-