Celia Hunter flew a war-surplus plane to Alaska in 1947 and built a wilderness life near Denali; 54 years later, at 82, her final night was spent fighting to protect the Arctic Refuge

• It brought an end to a 54-year campaign to protect Alaska's wild landscapes.
• According to historical records documented by the Alaska Conservation Foundation, Hunter died in her sleep on 1 December 2001 at the age of 82.