7 Great Black Inventors & Their Inventions You May Not Have Heard Of.
1. Benjamin Banneker November 9, 1731 – October 9, 1806, Inventions: America’s first clock (early 1750s), author of six farmers almanacs (1792-1797) stimulusguru The son of former slaves once borrowed a […]
01 . 09 . 16 / read more