Florence Adele Vanderbilt was the granddaughter of business magnate Cornelius Vanderbilt and the wife of financier Hamilton Twombly. "Florham", a 800-acre estate at the time, was built for the couple as a summer residence from 1894-97. Vanderbilt owned it until her death in 1952.
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In 1958 Fairleigh Dickinson University purchased 187 acres of property, including the Mansion and related buildings, for its Madison campus, now the College at Florham.