Troyen writes that his way of seeing the city in the 1920s was influenced by photographers such as Charles Sheeler, Karl Strauss and Alvin Langdon Coburn, who exploited the dramatic vantage points available from upper floors of the new skyscrapers to produce vertiginous images of the streets and walkways below. (Edward Hopper, 2007, p. 112) While he shared their keen interest in the at times dra