This video is about Benjerman Banneker. Benjamin Banneker (November 9, 1731 – October 9, 1806) was a free African American scientist, He corresponded with Thomas Jefferson, on the United States Declaration of Independence, He is known for being part of a group that surveyed the borders of the originalWashington D.C., District of Columbia, the federal capital district of the United States. In 1753 at the age of 22, Banneker completed the first wooden clock. One biographer has suggested that Banneka may have been a member of the Dogon tribe. The Dogon, that were reported to have knowledge of astronomy. Banneker made astronomical calculations that predicted solar and lunar eclipses for inclusion in his ephemeris. Thomas Jefferson sent a letter to the Marquis de Condorcet that contained the following paragraph relating to Banneker's race, abilities, almanac and work with Andrew Ellicott: I am happy to be able to inform you that we have now in the United States a negro, the son of a black man born in Africa, and of a black woman born in the United States, who is a very respectable Mathematician. … I have seen very elegant solutions of Geometrical problems by him. add to this that he is a very respectable member of society. he is a free man. … A commemorative obelisk that the Maryland Bicentennial Commission and the State Commission on Afro American History and Culture erected in 1977 near his unmarked grave stands in the yard of the Mt. Gilboa African Methodist Episcopal Church in Oella, Maryland

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