"Friedrich Wilhelm Ludwig Leichhardt, known as Ludwig Leichhardt, (23 October 1813 \u2013 c.1848) was a Prussian explorer and naturalist, most famous for his exploration of northern and central Australia."@en . "Leichhardt, Ludwig"@en . "1813-10-23Z"^^ . . . . "1813Z"^^ . . "1848Z"^^ . "Friedrich Wilhelm Ludwig Leichhardt"@en . "German explorer of Australia" . . . .