https://www.history.com/this-day-in-history/august-19/benjamin-banneker-writes-letter-to-thomas-jefferson-slavery
On August 19, 1791, the accomplished American mathematician and astronomer Benjamin Banneker pens a letter to then-Se...
benjamin bannekerthomas jeffersonwritesjusticeafrican
https://www.encyclopedia.com/people/science-and-technology/mathematics-biographies/benjamin-banneker
BANNEKER, BENJAMIN(b. Baltimore County, Maryland, 9 November 1731; d. Baltimore County, 9 October 1806)observational astronomy, ephemerides, almanacs.A tobacco...
benjamin bannekerencyclopediacom