Who was the Scots-Irish builder who once worked for the principal author of the Declaration of Independence?
Oak Lawn (Charlottesville, Virginia):  It was built by James Dinsmore, a Scots-Irish builder who worked for Thomas Jefferson. Thomas Jefferson: Thomas Jefferson (April 13 [O.S. April 2] 1743 – July 4, 1826) was an American Founding Father who was the principal author of the Declaration of Independence and later served as the third President of the United States from 1801 to 1809.
James Dinsmore