Show how the new technology changed architectural design in the late 19th and early 20th centuries?

show how the new technology changed architectural design in the late 19th and early 20th centuries, focusing on Garnier, Sullivan and Wright. How does form follow function? Why is the Paris Opera a triumph of historicism, and how do Sullivan and Wright treat the organic and inorganic?|||One of the single most important %26quot;new technologies%26quot; was the development of the elevator safety brake by Otis in 1852. It made tall buildings possible.