German explorer, born in Trebatsch, Prussia, on the 23rd of October 1813. He was educated at the University of Göttingen, went to Australia, and carried on geological investigations in New South Wales; set out in 1844 from North Monton Bay, and with seven comrades crossed the continent, a journey of 2,500 miles. In 1847 he attempted to repeat the adventure, but no reliable information of him was afterward obtained. He wrote Contributions to the Geology of Australia and Journal of an Overland Expedition in Australia from Monton Bay to Port Essington (1847).