Read this: Yale is noted for its largely Collegiate Gothic campus as well as for several iconic modern buildings commonly discussed in architectural history survey courses: Louis Kahn's Yale Art Gallery and Center for British Art, Eero Saarinen's Ingalls Rink and Ezra Stiles and Morse Colleges, and Paul Rudolph's Art & Architecture Building. Yale also owns and has restored many noteworthy 19th-century mansions along Hillhouse Avenue, which was considered the most beautiful street in America by Charles Dickens when he visited the United States in the 1840s. In 2011, Travel+Leisure listed the Yale campus as one of the most beautiful in the United States.
Now answer this question, if there is an answer (If it cannot be answered, return "unanswerable"): Who called Hillhouse Avenue the most beautiful street in America in the 1940's?
unanswerable