Gravesend was granted, allowing the men of the town to operate boats between London and the town; these became known as the "Long Ferry". It became the preferred form of passage, because of the perils of road travel (see below). On Gravesend's river front are the remains of a Tudor fort built by command of King Henry VIII in 1543. On 21 March 1617, John Rolfe and Rebecca (aka Princess Pocahontas) with their two-year-old son, Thomas, boarded a ship in London bound for the Commonwealth of Virginia; the ship had only sailed as far as Gravesend before Rebecca fell fatally ill,
James Tyler Kent accepted a position as professor of anatomy at the Homeopathic College of Missouri, an institution with which he remained affiliated until 1888. During this period, Kent’s second wife died. In 1890, Kent moved to Pennsylvania to take a position as Dean of Professors at the Post-Graduate Homeopathic Medical School of Philadelphia. He remained in that position until 1899. Clara Louis Tobey, a doctor turned homoeopath, was treated by Dr. Kent and she later on became his wife and she helped him in completing his famous works which were published. In 1897 Kent published his magnum opus, "Repertory of the Homœopathic