Katherine Burr Blodgett (1898 - 1979) didn't invent glass, she invented low-reflectance "invisible" glass for General Electric. She was the first woman to get a Ph D in Physics from Cambridge University in England. She was not black.
no black person did smarts.
carter woodson is the person who invented black history mouth
The person that invented Black History Month is Carter G. Woodson.
yes
yes
I think it was a black person
No. In 1801 a Scottish man invented the blackboard. Your question smacks of racism.
Katherine Okikiolu is a famous mathematician who is black.
She is Black
Frederick Jones
he ws chinese, mexican, black, and white
Yes the penny black was invented by the Victorians. The person who made it is unknown to me though. The penny black was the first ever postage stamp invented. It was exactly invented on the 1st of may 1840. thanks for reading my little passage about your question.