 During the 1916 presidential campaign, Greenhut had loaned Shadow Lawn to President Woodrow Wilson, who used the mansion as his Summer White House.In 1927, the home was destroyed by a fire and, in 1929, Parson built a new mansion which contained 130 rooms and cost a reported $10.5 million to build.The home was designed by Philadelphia architect Horace Trumbauer in the American Beaux-Arts style and built by Thompson-Starrett Company of New York, who built the Woolworth Building in New York City.