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Andrew Ellicott (January 24, 1754 – August 28, 1820) was an American land surveyor who helped map many of the territories west of the Appalachians, surveyed the boundaries of the District of Columbia, continued and completed Pierre (Peter) Charles L'Enfant's work on the plan for Washington, D.C., and served as a teacher in survey methods for Meriwether Lewis.
George Ellicott (1760–1832) was a son of Andrew Ellicott, who with his two brothers (all were Quakers from Bucks County, Pa.) founded Ellicott's Mills (now Ellicott City), Maryland. [1] He was a mathematician, an amateur astronomer, a younger cousin of surveyor Major Andrew Ellicott and a friend of Benjamin Banneker .
Ellicott was born in Bucks County, Pennsylvania on November 1, 1760. [2] He was the son of Quaker miller Joseph Ellicott (1732–1780) and Judith Blaker (1729–1809). Joseph's siblings included older brother Andrew Ellicott (1754–1820), a fellow surveyor, and younger brother Benjamin Ellicott (1765–1827), a U.S. Congressman.
In 1788, George Ellicott, a son of Andrew Ellicott, loaned Banneker books and equipment to begin a more formal study of astronomy. [30] [31] [32] During the following year, Banneker sent George his work calculating a solar eclipse. [30] [31] [29] In 1790, Banneker prepared an ephemeris for 1791, which he hoped would be placed within a published ...
Sehner-Ellicott-Von Hess House is a historic home located at 123 N. Prince Street, Lancaster, Pennsylvania. It was built about 1780 by George Sehner, and is a finely restored house built in the Georgian style of architecture. It was occupied by Andrew Ellicott (1754–1820), first United States Surveyor General, from 1801 to 1813. [2]
In a 1969 publication, Bedini reported that Martha Ellicott Tyson, a Quaker abolitionist who was a daughter of George Ellicott (Andrew Ellicott's cousin) [11] and a co-founder of Swarthmore College, [12] had prepared an account about Banneker's alleged involvement with the survey and planning of the federal city within her papers, which her own ...
Ellicott was born in Bucks County, Pennsylvania, on April 17, 1765. In 1789, at approximately 24 years old, he accompanied his brothers Andrew and Joseph Ellicott in 1789 to the British Province of Upper Canada in a survey to determine the western boundary of the State of New York .
A. E. (Andrew Ellicott) Douglass (July 5, 1867 in Windsor, Vermont – March 20, 1962 in Tucson, Arizona) was an American astronomer. He discovered a correlation between tree rings and the sunspot cycle , and founded the discipline of dendrochronology , which is a method of dating wood by analyzing the growth ring pattern.