benjamin baneker... or however you spell his name, was a black mathematician who helped in the ground plan for Washington D.C. he was appointed by Thomas Jefferson. He also helped in I think, the mechanical clock.
Benjamin Banneker died on October 9th 1806.
he was the first African American scientist
he specialized in the field of astronomy.
use your amaginashon
No, Benjamin Banneker never married.
He died on October 6, 1806
yes his father had a job as a slave before Benjamin Banneker mother bought his father
the cow chacher
Ben Bannker did not invent the clock. He made a watch in 1753, apparently copying a pocket watch he borrowed.
clocks
The synchronous multiplex railway telegraph
Benjamin Banneker was a black mathematician and astronomer. He taught his self astronomy and at the age 24 he construct a clock out of wood. he help finish half of the white house . He worked on calculating the precise measurement of the meter, and he corresponded with Thomas Jefferson on the issue of slavery and the intellectual equality was never married and his life was a mystery, all of his information was in his house when it caught on fire some time during his funeral.