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Benjamin Banneker.
D'John James
Benjamin Banneker
Benjamin Banneker was the African-American mathematician and astronomer that helped to survey Washington D.C., In 1789 he was called on to assist George Ellicott and Pierce Charles L'Enfant in laying out what would become the nation's capital.
Benjamin Banneker
Benjamin Banneker
Benjamin Banneker
Andrew Ellicott and Benjamin Banneker.
The African American mathematician that assisted in the survey of Washington DC was Benjamin Banneker. In addition to being a mathematician, Banneker was also an astronomer.
Banneker was a watch maker and surveyor. He helped survey the land area that was to become Washington DC.
BENJAMIN BANNEKER was the black surveyor to helped survey the District of Columbia
The African- American man who helped survey the land that would become Washington D.C. was Benjamin Banneker. He was also a scientist and publisher of almanacs.