Ellicott, Andrew (24 January 1754–20 August 1820), mathematician, astronomer, and surveyor, was born in Buckingham, Bucks County, Pennsylvania, the son of Joseph Ellicott, a millwright and clockmaker, and Judith Bleaker. The family belonged to the Society of Friends. After attending a Quaker elementary school in Solesbury, Ellicott was enrolled at the age of fifteen in ...