Who is credited with developing and standardizing the Gordon Setter breed?

Answer

Alexander Gordon, the fourth Duke of Gordon

The history of the Gordon Setter is tightly bound to Alexander Gordon, the fourth Duke of Gordon, who is credited with developing and standardizing this specific strain of setter at Kinrara in the Scottish Highlands around the late 18th and early 19th centuries.

Who is credited with developing and standardizing the Gordon Setter breed?
Dogcharacteristicbreedgordon setter