"Duke Friedrich Paul Wilhelm of Württemberg (German: Friedrich Paul Wilhelm, Herzog von Württemberg; 25 June 1797, Bad Carlsruhe, Silesia, Kingdom of Prussia – 25 November 1860, Mergentheim, Kingdom of Württemberg) was a member of the House of Württemberg and a Duke of Württemberg. Paul Wilhelm was a German naturalist and explorer, who in the early 19th century, undertook several expeditions in North America, North Africa, and Australia. In 1829, he discovered the sources of the Missouri River." - (en.wikipedia.org 10.11.2019)
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