Benjamin Banneker

Benjamin Banneker 1731-1806
Mathematician, Astronomer, Surveyor
Birthplace: Ellicot's Mills, MD
Benjamin Banneker has been called the first African-American intellectual. Self-taught, after studying the inner workings of a friend's watch, he made one of wood that accurately kept time for more than 40 years. Banneker taught himself astronomy well enough to correctly predict a solar eclipse in 1789. From 1791 to 1802 he published the Pennsylvania, Delaware, Maryland, and Virginia Almanac and Ephemeris, which contained tide tables, future eclipses, and medicinal formulas. It is believed to be the first scientific book published by an African American. Also a surveyor and mathematician, Banneker was appointed by President George Washington to the District of Columbia Commission, which was responsible for the survey work that established the city's original boundaries. When the chairman of the committee, Pierre Charles L'Enfant, suddenly resigned and left, taking the plans with him, Banneker reproduced the plans from memory, saving valuable time. A staunch opponent of slavery, Banneker sent a copy of his first almanac to then-Secretary of State Thomas Jefferson to counter Jefferson's belief in the intellectual inferiority of blacks.


Related Resources


Lesson Plan
Benjamin Banneker's Letter
Explores the letter Banneker wrote Jefferson concerning slavery.

Web Resources
Benjamin Banneker
Additional information on Banneker.
http://www.math.buffalo.edu/mad/special/banneker-benjamin.html

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