Cornelius Vanderbilt Whitney († 1992) was an American businessman, film producer, writer, philanthropist, polo player, and government official, as well as the owner of a leading stable of thoroughbred racehorses.
Homes - Celebrity - Business, Homes - Celebrity - Former
He was the son of the wealthy and socially prominent Harry Payne Whitney (1872—1932) and Gertrude Vanderbilt (1875—1942). As a member of both the Whitney and Vanderbilt families, he inherited a substantial fortune.
This mansion was called "Hillendale", then "Oakley Court". He also owned "Whitney House" in nearby Old Westbury.
Links: en.wikipedia.org, goldcoastmansions.com