The home of the first US Secretary of the Treasury is preserved at what memorial?
Hamilton Grange National Memorial: Hamilton Grange National Memorial, also known as The Grange or the Hamilton Grange Mansion, is a National Park Service site in St. Nicholas Park, Manhattan, New York City, that preserves the relocated home of U.S. Founding Father Alexander Hamilton. Alexander Hamilton:  As the first Secretary of the Treasury, Hamilton was the main author of the economic policies of the George Washington administration.
Hamilton Grange National Memorial