When was the American explorer which Andrew Ellicott  served as a teacher in survey methods for born
Andrew Ellicott Andrew Ellicott (January 24, 1754 – August 28, 1820) was a U.S. 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.
Noah Webster Noah Webster Jr. (October 16, 1758 – May 28, 1843) was an American lexicographer, textbook pioneer, English-language spelling reformer, political writer, editor, and prolific author. He has been called the "Father of American Scholarship and Education". His blue-backed speller books taught five generations of American children how to spell and read. Webster's name has become synonymous with "dictionary" in the United States, especially the modern Merriam-Webster dictionary that was first published in 1828 as "An American Dictionary of the English Language".