Wilhelm Filchner (September 13, 1877 - May 7, 1957) was a German explorer. At the age of 21, he participated in his first expedition, which led him to Russia. Two years later, he travelled alone and on horseback through the Pamir mountains. 1903 to 1905 he led an expedition through Tibet. Following his return from Tibet, he was tasked with organizing a German expedition to map Antarctica. Wikipedia
Wilhelm Filchner, a geographer and geodesist, undertook voyages of research that took him above all to the countries of Central Asia. www.awi-bremerhaven.de/AWI/geschichte/filchner.html
The definitive Wikipedia entry for Wilhelm Filchner. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Wilhelm_Filchner