Career
Originally from Georgia, he began setting out the plans for the town in 1822 after moving to the area known as the Cow Ford on the Saint Johns River. Hart was a wealthy planter who took arms against Spain in the 1812 Patriot Rebellion and nine years later founded Jacksonville. Described as "an eccentric character," Hart owned downtown real estate, a two-story boarding house, a plantation and forty-eight slaves.
The Isaiah Doctorate. Hart Bridge over the Saint Johns River in Jacksonville is named after him.
