Voice of America
https://learningenglish.voanews.com · 8 years ago
Benjamin Banneker: Surveyor, Mathematician, Astronomer
Benjamin Banneker was one of the few free black people in the American colonies. The self-taught mathematician helped plan the nation's
Voice of America
https://learningenglish.voanews.com · 8 years ago
Benjamin Banneker: Surveyor, Mathematician, Astronomer
Benjamin Banneker was one of the few free black people in the American colonies. The self-taught mathematician helped plan the nation's
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