Langdon, John, 1739-1819.

John Langdon, 1739-1819, was a leading merchant and privateer owner of Portsmouth, New Hampshire. A delegate to the Continental Congress, he resigned from that office in June 1776 to become the Continental Navy Agent in Portsmouth. He later became a signer of the Constitution of the United States, a U.S. Senator, and governor of New Hampshire. As Navy Agent, he procured supplies to build and fit out warships for the Continental Navy.

From the description of Papers, 1778-1779. (Navy Department Library, Naval History & Heritage Command). WorldCat record id: 51531189