Benjamin Banneker (Benjamin Banneker)

African American mathematician, astronomer, clockmaker, and publisher

1731 - Born on the 9th of November.

1753 - Made a wooden clock, which ran well for at least twenty years.

1789 - He was able to make the calculations to predict solar and lunar eclipses.

1792-1797 - Published the compile ephemeris for the Benjamin Banneker's Almanac, which an anti-slavery society.

1791-1797 - The first issue of Banneker's Almanac was published and it continued to appear annually.

1806 - Benjamin Banneker died on 9th of October in his log cabin.

He became known as the Sable Astronomer.