John Jacob Astor
(July 13, 1864 - April 15, 1912)
Great grandson of John Jacob Astor, who founded the family fortune. John Jacob IV bulit the Astoria secton of what would become the Waldorf Astoria Hotel (1897) in New York city (this was on the site where the Empire State building would be built in 1929). He also built the Knickerbocker and the St. Regis hotels. He died on the Titanic.
See also: William Waldorf Astor