One of the Signers of the Declaration of Independence, member of Continental Congress, ironmaster, lived in this house built in 1757 by William Parsons, Surveyor-General. First occupied by Parsons.

Birth site of the renowned biochemist. In spite of the handicap of polio, she developed in the 1920s a safe process for intravenous therapy. Later, in 1934, she refined the tuberculin skin test that was ultimately adopted worldwide.