Walker, Thomas(1715–94) physician, explorer, legislator; born in King and Queen County, Va. After practicing as a doctor he became interested in seeking out new land for speculation. As chief agent for the Loyal Land Company, he led explorers into present-day Kentucky (1750–51). He served numerous terms in the Virginia House of Burgesses and represented Virginia at the Fort Stanwix Indian treaty (1768). He was a guardian for Thomas Jefferson and, as a member of the Virginia Committee of Safety (1776), took an active role in advancing the American Revolution.
The Cambridge Dictionary of American Biography, by John S. Bowman. Copyright © Cambridge University Press 1995. Reproduced with permission.