Sir Ranulph Twisleton-Wykeham-Fiennes, 3rd Baronet, OBE, better known as Ranulph (Ran) Fiennes, is a British adventurer and holder of several endurance records.Fiennes has written books about his army service and his expeditions as well as a book defending Robert Falcon Scott from modern revisionists. In May 2009, aged 65, he climbed to the summit of Mount Everest. According to the Guinness Book of World Records he is the world's greatest living adventurer.
