Lansdowne House
…Waldorf Astor, 1st Viscount Astor of Cliveden House, widely believed to be the richest man in America at the time of his tenancy (1891–1893), and also by Harry Gordon Selfridge in the 1920s. In 1929, two years after the death of the 5th Marquess of Lansdowne, a prominent government frontbencher, his heir sold the property. The…