Abraham Woodhull was an American spy during the American Revolutionary War. He was a member of the Culper Ring, a group of spies organized by George Washington to gather intelligence on British troop movements. Woodhull operated primarily in New York and used various methods to relay information, including coded messages and invisible ink. Born in 1750 in Setauket, New York, Woodhull was a farmer by trade. His efforts in espionage were crucial to the success of the American forces, as he provided valuable insights that helped shape military strategies. He continued to live in Setauket after the war, where he passed away in 1826.