inventor of Moxie Paul Tsongas - United States Senator Tappan Wentworth - Congressman Robert Leighton - Owner of Norcross and Leighton Gallery See also National Register of Historic Places listings in Lowell, Massachusetts References External links Cemeteries on the National Register of Historic Places in Massachusetts Buildings and structures in Lowell, Massachusetts Cemeteries in Middlesex County, Massachusetts Tourist attractions in Lowell, Massachusetts National Register of Historic Places in Lowell, Massachusetts Historic districts on the National Register of Historic Places in Massachusetts 1841 establishments in Massachusetts Rural cemeteries