Biography
Birth: February 22, 1732 ~ Virginia  
Death: December 14, 1799 ~ Mt. Vernon, Virginia

Links
* From Revolution to Reconstruction (Alfa-Informatica ~ Netherlands)
* Famous Surveyors (Picture Source)

Contemporaries:
*Thomas Jefferson - 3rd President of the USA ~  1743-1826
* Benjamin Franklin - Statesman ~  1706-1790