John Langdon

John Langdon (June 26, 1741September 18, 1819) was an American politician. He was one of the Founding Fathers of the United States. He served as a delegate to the Constitutional Convention signed the United States Constitution.
He was a politician born in Portsmouth, New Hampshire. He was one of the first two United States senators from that state. Langdon was an early supporter of the Revolutionary War and served in the Continental Congress.
After being in Congress for 12 years, including serving as the first president pro tempore of the Senate. Langdon became governor of New Hampshire. He turned down a nomination for vice presidential candidate in 1812.
Langdon died in Portsmouth, New Hampshire from pneumonia at the age of 78.