Kenneth McKenzie (aka Kenneth MacKenzie) (died 26 April 1861) was nicknamed the “King of the Missouri”, for as a fur trader for American Fur Company in the upper Missouri River valley, he controlled a territory larger than most European nations. McKenzie was a Scot by birth, a Canadian immigrant as a teenager. He became a clerk for the North West Company, learning the fur business. Losing his job when his employer was merged into the Hudson’s Bay Company, McKenzie traveled to St.