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Benjamin Banneker

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Raul Mendez

on 15 March 2011

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Transcript of Benjamin Banneker

Benjamin Banneker Birth & Death Date Benjamin Banneker was born in Baltimore, Maryland on November 9, 1731 In 1806, Benjamin Banneker died on October 9 in his small cabin. He died of From a certain illness.
Why Is Benjamin Banneker Important ? Benjamin Banneker is important because he was the first famous African American inventor. He invented and built a clock from scratch. One day, a friend showed him a pocket watch. Benjamin was so fascinated that he decided to make his own. He worked for two years and built a clock out of wood. Even the gears were wood. The clock was so accurate that it kept time for more than 40 years! He created his own almanac. He was also one of the original surveyors for the city of Washington, DC. He was a self-taught astronomer, mathematician, almanac author, farmer and surveyor What contribution did Benjamin Banneker make to use?
He did something regarding the way we now live
What contributions to mathematics did Benjamin Banneker make? he made trigonometry

How did Benjamin Banneker contribute to american society? by buliding the first clock & made an almanac with the weather, proverbs and legends. Contributions Facts Growing up, he spent much of his free time devising and solving mathematical puzzles.
He took over the farm after his father's death in 1759. After his retirement from farming at the age of 59, Banneker began to study astronomy, becoming a man of science and mathematics through unassisted experimentation and close observation of natural phenomena. Banneker employed his knowledge of astronomy and mathematics to help plan the city of Washington, D.C. Shortly after returning to his farm in April 1791, Banneker issued his first of some ten annual almanacs, which were published by several printers and sold widely in both
England and the United States. For many years Benjamin Banneker was referred to as "the first Negro Man of Science". One time Benjamin borrowed his neighbors watch. He disassembled it and made sketches of all the parts inside. The watch was returned to his neighbors in perfect condition. They couldn't even tell that it was taken apart. Then, Benjamin carved out enlarged replicas of the parts inside. He made his own (much bigger) watch. It worked for over 50 years.

Benjamin built a "work cabin" with a skylight in it in order to study the stars at night In 1980, the U.S. Postal Service issued a postage stamp in his honor. He predicted the solar eclipse that occurred on April 14, 1789, contradicting forecasts by more prominent astronomers.
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