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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.
Clarence Hungerford Mackay (born April 17, 1874, San Francisco—died Nov. 12, 1938, New York City) was a U.S. communications executive and philanthropist who supervised the completion of the first transpacific cable between the United States and the Far East in 1904.
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.
capitalist philanthropist politician. Clarence Mackay was an American capitalist, philanthropist, and society leader.
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.
