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Benjamin Banneker (November 9, 1731 – October 19, 1806) was an African-American naturalist, mathematician, astronomer and almanac author. A landowner, he also worked as a surveyor and farmer. Born in Baltimore County, Maryland, to a free African-American mother and a father who had formerly been enslaved, Banneker had little or no formal ...
Silvio Anthony Bedini (January 17, 1917 – November 14, 2007) was an American historian, specialising in early scientific instruments. He was Historian Emeritus of the Smithsonian Institution, where he served on the professional staff for twenty-five years, retiring in 1987.
Surveying was not only for the wealthy plantation owners, but the entire new nation needed to be surveyed and resurveyed. Most of all, the proposed new capital city, bearing Washington's name, needed to be surveyed. A two-man team would survey what became the District of Columbia in 1791. The first was Benjamin Banneker, a free ex-slave, who ...
Illustration of Benjamin Banneker, 1731-1806. American mathematician, astronomer, writer, and farmer. ... The Banneker Institute is an astronomy program at Harvard University in Cambridge ...
Category:Benjamin Banneker. Articles relating to Benjamin Banneker (1731 –1806), a free African-American almanac author, surveyor, landowner and farmer who had knowledge of mathematics and natural history .
Benjamin Banneker (1731-1806) was a free African American mathematician and astronomer who assisted Andrew Ellicott during the first three months of the 1792 — 1793 survey of the District of Columbia's original boundaries. [7] The stone is one of 40 markers that once lined the District's boundaries. [3][4] Banneker had left the survey before ...
David Rittenhouse (April 8, 1732 – June 26, 1796) was an American astronomer, inventor, clockmaker, mathematician, surveyor, scientific instrument craftsman, and public official. Rittenhouse was a member of the American Philosophical Society and the first director of the United States Mint.
Benjamin Banneker designed and built the first clock of its type in the Thirteen Colonies. He also created a series of almanacs. He corresponded with Thomas Jefferson and wrote that "blacks were intellectually equal to whites". Banneker worked with Pierre L'Enfant to survey and design a street and urban plan for Washington, D.C. [17] 1760