Question: The Golden Triangle where the fortune of an American entrepreneur and engineer who invented what was made?

<P0-S0>  Based in Pittsburgh, Pennsylvania for much of his career, Westinghouse was one of Thomas Edison's main rivals in the early implementation of the American electricity system. <P0-S1>  Westinghouse's electricity distribution system, based on alternating current, ultimately prevailed over Edison's insistence on direct current. <P0-S2>  In 1911 Westinghouse received the AIEE's Edison Medal "For meritorious achievement in connection with the development of the alternating current system." <P0-S3> George Westinghouse Jr. (October 6, 1846 – March 12, 1914) was an American entrepreneur and engineer who invented the railway air brake and was a pioneer of the electrical industry, gaining his first patent at the age of 19. <SEP> <P1-S0>  It is located at the confluence of the Allegheny River and the Monongahela River whose joining forms the Ohio River. <P1-S1> Downtown Pittsburgh, colloquially referred to as the Golden Triangle or Dahntahn in eye dialect, and officially the Central Business District, is the urban downtown center of Pittsburgh. <P1-S2>  The "triangle" is bounded by the two rivers. <P1-S3>  The area features offices for major corporations such as PNC Bank, U.S. Steel, PPG, Bank of New York Mellon, Heinz, Federated Investors and Alcoa. <P1-S4>  It is where the fortunes of such industrial barons as Andrew Carnegie, Henry Clay Frick, Henry J. Heinz, Andrew Mellon and George Westinghouse were made. <P1-S5>  It contains the site where the French fort, Fort Duquesne, once stood. <SEP> <P2-S0> Golden Triangle of Jakarta (Indonesian: "Segitiga Emas Jakarta" ) is roughly a triangular shape area of Jakarta, Indonesia, which extends from Central Jakarta to South Jakarta. <P2-S1>  Most of the business, financial, and diplomatic establishments are located in the area, which also forms the center of the city. <P2-S2>  The area is the main CBD of Jakarta, where most of the tallest skyscrapers are located. <P2-S3>  The area is bordered by main avenues of Jakarta, Jalan M.H. Thamrin-Jalan Jenderal Sudirman (North-Southwest), Jalan H.R. Rasuna Said (North-Southeast), and Jalan Jenderal Gatot Subroto (East-West). <P2-S4>  There are many other roads criss-crossing the area. <P2-S5>  There are at least 3 main centers of commercial buildings such as SCBD (45 hectares), Mega Kuningan (54 hectares) and Kuningan Persada (17 hectares). <P2-S6> Another cluster is "Rasuna Epicentrum", which is an area of 53.6 hectares, consisting of residential, offices, hotels, hospitals, places of worship, sports, shopping and entertainment and education in one area. <P2-S7>  Golden triangle is one of the fastest evolving CBD in Asia-Pacific region. <SEP> <P3-S0> The Westplex is part of St. Charles County that used to be called “The Golden Triangle” . <P3-S1>  The “Triangle” was formed by I-70 across the top, Missouri Route 94 to the east, and I-64 to the west. <P3-S2>  With the three legs together, a triangle resting on its tip is formed. <P3-S3>  Since almost all of the growth in St. Charles County was within this triangle it was dubbed the “Golden” area of St. Charles county, hence, Golden Triangle. <P3-S4>  Today the Westplex is made up of St. Charles, St. Peters, Weldon Spring, Cottleville, Dardenne Prairie, O’Fallon, Lake St. Louis, Wentzville and St. Paul.