margaretoliverblog

America: Can It Be Great Again

THE TRUTH ABOUT WHO DOES WORK

Leonidas Berry the black gastroscope pioneer, 1902-1995.

Keith black was officially a brain tumor surgeon.

Henry Blair was the second black man to invent the spark plug and did receive a patent. He was born in 1807.

The air conditioning and heating that we enjoy today, was invented by a black man named David Crosthwait Jr.

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