William Thornton was an American physician, inventor, painter and architect who designed the United States Capitol. He also served as the first Architect of the Capitol and first Superintendent of the
Portrait by Gilbert Stuart, 1804
Ruins of the Thornton Plantation at Tortola
Thornton's original Capitol Building design
Thornton's submission for the Capitol, officially approved by Washington in 1793
George Calvert was an American planter active in late eighteenth- and early nineteenth-century Maryland. His plantation house, Riversdale plantation, also known as the Calvert Mansion, is a five-part,
George Calvert lived at Riversdale plantation, now a National Historic Landmark.
Calvert's wife, Rosalie Stier Calvert and their eldest daughter Carolina Maria, painted by Gilbert Stuart in 1805.
Riversdale Manor in July 2007