an American politician, lawyer and judge. He served as a United States Representative from Vermont. Langdon became an active Federalist. He practiced law in Windsor, but later returned to Castleton. He served as the Rutland County Register of Probate from 1792 to 1794, in 1796, and again in 1813. He was Judge of Probate in 1798 and 1799. In 1808 he served on the state Executive Council.
