Nain Singh Rawat: A respected Asian ExplorerNain Singh Rawat (21-10-1830 to 1-2-1882) from Johar valley, Kumaon was an explorer who mapped the trade route through Nepal to Tibet. He was the first to determine the altitude of Lahasa. He was adept with Tibetian customs, knowledge and geography. He often explored Tibet for the British in disguise and secrecy, drawing maps in coded languages. His major achievement was mapping the route from Leh to Lhasa. He also mapped a large part of river Brahmaputra.
He was honoured and awarded a gold medal by the Royal Geographic Society in 1877. He died due to cholera in 1882.