Samuel Vaughan (1720 – 1803) created the first park in the U.S. Located at the State House in Philadelphia, the design celebrated native species and Federal Era values. An English merchant, Vaughan also completed one of the best-known historic plans of the garden at Mount Vernon (1787).
Samuel Vaughan, Plan of the buildings and grounds of Mount Vernon, 1787. Mount Vernon Ladies' Association, Mount Vernon, VA.
The Cultural Landscape Foundation: http://tclf.org/pioneer/samuel-vaughan/biography-samuel-vaughan
The Massachusetts Historical Society: http://www.masshist.org/findingaids/doc.cfm?fa=fa0040