National Geographic team may have discovered the foot of a famed Mount Everest climber  NPREverest climber Irvine’s foot believed found after 100 years  BBC.comClimber Disappeared 100 Years Ago on Mount Everest. Sock with His Name on It, and a Foot, Were Just Found  PEOPLEDiscovery of climber’s boot could solve mystery of who conquered Everest first  The TelegraphMore clues in 100-year-old Mount Everest mystery as climber’s foot found  The Guardian