Sven Anders Hedin was a Swedish geographer, topographer, explorer, photographer, and travel writer, as well as an illustrator of his own works. During four expeditions to Central Asia he discovered the Transhimalaya (once named the Hedin Range in his honor) and the sources of the Brahmaputra, Indus and Sutlej Rivers, Lake Lop Nur, and the remains of cities, grave sites and the Great Wall of China in the deserts of the Tarim Basin. The posthumous publication of his Central Asia atlas marked the conclusion of his life’s work.