American physician, brother of President Timothy Dwight; born in Northampton, MA, on the 31st of January 1770; died in Oswego, NY, on the 11th of June 1831. He studied medicine in Hartford, CT; became assistant surgeon in the United States army; afterward practiced in towns of Connecticut and Massachusetts. Dr. Dwight was one of the earliest advocates of the present system of retreats for the insane, prepared the first school geography published in this country, and was author of The Great Question Answered, and a Compendious History of the Signers of the Declaration of Independence. He died in Oswego, NY, on the 11th of June 1831.