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 Isl ...

. 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 (NYIT).

History

The home, originally called "White Eagle", was built between 1916 and 1918 for Alicia Heyward ( née Bradford) Maddox, the second wife of Alfred I. du Pont and daughter of Judge Edward Bradford. 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 (March 11, 1860 – October 22, 1929), was one of the outstanding American Beaux-Arts architecture firms. Located in New York City ...

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, Ge ...

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. Marble is typically not foliated (layered), although there are exceptions. In geology, the term ''marble'' refers to metamorphose ...

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 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 (to the north), and the home of Harry Payne Whitney (who married Gertrude Vanderbilt) (to the south). It was near to the "homes of many of America's leading financiers, including Nicholas F. Brady, 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 property was purchased in the 1920s by Frederick Guest (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 ...

in 2009. Since 1972, it has been part of the

campus of the New York Institute of Technology (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