The Regional Planning Association of America (RPAA) was formed in 1923 as a loose network of New York intellectuals concerned with urban issues like housing reform. Key members included Clarence Stein, Lewis Mumford, and Benton MacKaye, who were influenced by Patrick Geddes and sought to replace mono-nucleated cities with poly-nucleated regional cities. The RPAA is known for early regional planning projects like Sunnyside and Radburn. The Tennessee Valley Authority (TVA) was created in 1933 to develop the Tennessee Valley region through flood control, agriculture, education, and most notably power production using dams. While it brought industry and improved living standards, the TVA fell short of the RPAA's