Benjamin Banneker
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Benjamin Banneker was an American naturalist, mathematician, astronomer and almanac author. A landowner, he also worked as a surveyor and farmer.
Woodcut portrait of Bannaker, 1795
View of the Patapsco Valley from Ellicott City (June 2012)
1799 portrait of Andrew Ellicott
National Portrait Gallery 1796 oil portrait of David Rittenhouse by Charles Willson Peale
Andrew Ellicott
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Andrew Ellicott was an American land surveyor who helped map many of the territories west of the Appalachians, surveyed the boundaries of the District of Columbia, continued and completed Pierre Charl
Benjamin Banneker
…a father who had formerly been enslaved, Banneker had little or no formal education and was largely self-taught. He became known for assisting Major Andrew Ellicott in a survey that established the original borders of the District of Columbia, the federal capital district of the United States. Banneker's knowledge…
Portrait by Jacob Eichholtz, 1809
Northeast No. 4 boundary marker stone of the original District of Columbia in Washington, D.C. and Prince George's County, Maryland (2005)
The south side of the Ellicott Stone, south of Bucks, Alabama. It reads: Dominio De S.M. Carlos IV, Lat. 31, 1799. (2009)
Ellicott's house at 123 North Prince Street, Lancaster, Pennsylvania is listed on the National Register of Historic Places