Sven Hedin was born in Stockholm, the son of Ludwig Hedin, Chief Architect of Stockholm, and Anna Berlin Hedin. In 1933 Hedin helped the Chinese government retain control of the Sinkiang province, by mapping out the old Silk Road of Marco Polo so that it could be motorized. Hedin's China expeditions provided material the book The Silk Road. Sven Hedin died on November 26, 1952.