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The DuPont-Guest Estate, now known as the NYIT de Seversky Mansion, is a historic estate located at Brookville in
Nassau County, New York Nassau County ( ) is a county in the U.S. state of New York. At the 2020 U.S. census, Nassau County's population is 1,395,774. The county seat is Mineola and the largest town is Hempstead. Nassau County is situated on western Long Island ...
. Since 1972, it has been part of the
Old Westbury Old Westbury is a village in the Towns of North Hempstead and Oyster Bay in Nassau County, on the North Shore of Long Island, in New York, United States. The population was 4,671 at the 2010 census. The Incorporated Village of Old Westbury i ...
campus of the
New York Institute of Technology The New York Institute of Technology (NYIT or New York Tech) is a private research university founded in 1955. It has two main campuses in New York—one in Old Westbury, on Long Island, and one in Manhattan. Additionally, it has a cybersecu ...
(NYIT).


History

The home, originally called "White Eagle", was built between 1916 and 1918 for Alicia Heyward (
née A birth name is the name of a person given upon birth. The term may be applied to the surname, the given name, or the entire name. Where births are required to be officially registered, the entire name entered onto a birth certificate or birth re ...
Bradford) Maddox, the second wife of Alfred I. du Pont and daughter of Judge
Edward Bradford Edward Bradford may refer to: * Edward Bradford (1798–1871), founderof Pine Hill Plantation in Leon County, Florida. * Edward Green Bradford (1819–1884), Delaware politician and United States federal judge *Sir Edward Bradford, 1st Baronet (183 ...
. It was designed by the architectural firm of
Carrère and Hastings Carrère and Hastings, the firm of John Merven Carrère ( ; November 9, 1858 – March 1, 1911) and Thomas Hastings (architect), Thomas Hastings (March 11, 1860 – October 22, 1929), was one of the outstanding American Beaux-Arts architecture, Be ...
in the
Georgian Revival Georgian architecture is the name given in most English-speaking countries to the set of architectural styles current between 1714 and 1830. It is named after the first four British monarchs of the House of Hanover—George I, George II, Georg ...
style and the interiors were designed by Charles of London. The residence is two stories plus a basement level, with a red brick façade, white
marble Marble is a metamorphic rock composed of recrystallized carbonate minerals, most commonly calcite or Dolomite (mineral), dolomite. Marble is typically not Foliation (geology), foliated (layered), although there are exceptions. In geology, the ...
and
limestone Limestone ( calcium carbonate ) is a type of carbonate sedimentary rock which is the main source of the material lime. It is composed mostly of the minerals calcite and aragonite, which are different crystal forms of . Limestone forms whe ...
embellishments, and a gabled,
slate Slate is a fine-grained, foliated, homogeneous metamorphic rock derived from an original shale-type sedimentary rock composed of clay or volcanic ash through low-grade regional metamorphism. It is the finest grained foliated metamorphic rock. ...
roof. ''See also:'' Alicia du Pont died in January 1920 before the home was finished. The estate consists of the residence, surrounding landscaping, and garage. It adjoined
Harbor Hill Harbor Hill was a large Long Island mansion built from 1899–1902 in Roslyn, New York, for telecommunications magnate Clarence Hungerford Mackay. It was designed by McKim, Mead & White, with Stanford White supervising the project - the largest p ...
, the country seat of
Clarence Mackay Clarence Hungerford Mackay (; 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. Early life He ...
(to the north), and the home of
Harry Payne Whitney Harry Payne Whitney (April 29, 1872 – October 26, 1930) was an American businessman, thoroughbred horse breeder, and member of the prominent Whitney family. Early years Whitney was born in New York City on April 29, 1872, as the eldest son ...
(who married Gertrude Vanderbilt) (to the south). It was near to the "homes of many of America's leading financiers, including
Nicholas F. Brady Nicholas Frederick Brady (born April 11, 1930) is an American politician from the state of New Jersey, who was the United States Secretary of the Treasury under Presidents Ronald Reagan and George H. W. Bush, and is also known for articulating ...
, Otto H. Kahn, J. Pierpont Morgan, Thomas H. Hitchcock,
Elbert H. Gary Elbert Henry Gary (October 8, 1846August 15, 1927) was an American lawyer, county judge and business executive. He was a founder of U.S. Steel in 1901, bringing together partners J. P. Morgan, Andrew Carnegie, and Charles M. Schwab. The city ...
and Ormond G. Smith."


Later ownership

In 1921, the estate (which had been completed and fully furnished in January 1921, but never lived in), which was valued at over $1,500,000, was to be sold at public auction conducted by Arthur C. Sheridan for the benefit of Mrs. du Pont's child by her first marriage, Alicia Maddox, who had been adopted by Alfred du Pont. It was sold for $470,000 to David T. Layman Jr., who was understood to be acting for Howard C. Phipps of the
Phipps family The Phipps family of the United States is a prominent American family that descends from Henry Phipps Jr. (1839–1930), a businessman and philanthropist. His father was an English shoemaker who immigrated in the early part of the 19th century t ...
. The property was purchased in the 1920s by
Frederick Guest Frederick Edward "Freddie" Guest, (14 June 1875 – 28 April 1937) was a British politician best known for being Chief Whip of Prime Minister David Lloyd George's Coalition Liberal Party, 1917–1921. He was also Secretary of State for Air be ...
(husband of Amy Phipps) and his family, who called it "Templeton". It was listed on the
National Register of Historic Places The National Register of Historic Places (NRHP) is the United States federal government's official list of districts, sites, buildings, structures and objects deemed worthy of preservation for their historical significance or "great artistic v ...
in 2009. Since 1972, it has been part of the
Old Westbury Old Westbury is a village in the Towns of North Hempstead and Oyster Bay in Nassau County, on the North Shore of Long Island, in New York, United States. The population was 4,671 at the 2010 census. The Incorporated Village of Old Westbury i ...
campus of the
New York Institute of Technology The New York Institute of Technology (NYIT or New York Tech) is a private research university founded in 1955. It has two main campuses in New York—one in Old Westbury, on Long Island, and one in Manhattan. Additionally, it has a cybersecu ...
(NYIT).


References


External links


NYIT de Seversky Mansion website
Houses on the National Register of Historic Places in New York (state) Georgian Revival architecture in New York (state) Houses completed in 1918 Houses in Nassau County, New York National Register of Historic Places in Nassau County, New York Gilded Age mansions {{NassauCountyNY-NRHP-stub