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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.
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.
17 avr. 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.
Harbor Hill, The Magnificent Clarence Mackay Estate. 1,929 likes · 12 talking about this. Harbor Hill at Roslyn, Long Island, New York. Once Long Island's most opulent estate and mansion. Designed by...
On Thursday, Oct. 21 at 7 pm, Roslyn Landmark Society will present a free Zoom lecture on Harbor Hill, the country estate of financier, Clarence H. Mackay. The French-inspired Chateau measured 60,000 square feet and was located on 498 hilltop acres in Roslyn, New York.
