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Clarence Hungerford Mackay (/ ˈ m æ k i /; April 17, 1874 – November 12, 1938) was an American financier. He was chairman of the board of the Postal Telegraph and Cable Corporation and president of the Mackay Radio and Telegraph Company.
Learn about the Harbor Hill Estate, a 576-acre Renaissance-style mansion built by Clarence H. Mackay, a silver heir and telegraph magnate, in Roslyn, New York. See photos, maps, news and videos of the estate's history, architecture, statues and outbuildings.
Harbor Hill was a large Long Island mansion built from 1899 to 1902 in Roslyn, New York, for Clarence Hungerford Mackay, a telecommunications magnate. It was designed by McKim, Mead & White, with Stanford White supervising the project – the largest private residence he ever designed.
A finding aid for the archival collection of documents and artifacts related to the Harbor Hill estate of Clarence H. Mackay and his family. Learn about the history, architecture, and art of the estate, as well as the personal lives of the Mackays and their employees.
Apr 17, 2022 · Learn about Clarence Mackay, who supervised the first transpacific cable and other global communications projects. Find out his background, achievements, challenges and personal life.
Clarence Hungerford Mackay supervised the completion of the first transpacific cable between the United States and the Far East in 1904. Clarence Mackay was a noted collector of medieval suits of armor, some of which he sold to the Metropolitan Museum of Art in the early 1930s.
Learn about the history and features of Harbor Hill, one of the largest and most lavish estates in the US, owned by Clarence Mackay, a silver heir and telegraph tycoon. See where his outbuildings, such as stables, kennels, dairy barn, casino, and tennis court, stood and what remains today.
