Sir Ranulph Twisleton-Wykeham-Fiennes, 3rd Baronet OBE (born 7 March 1944), commonly known as Ranulph "Ran" Fiennes, is a British explorer and holder of several endurance records. He is also a prolific writer and poet. Fiennes served in the British Army for eight years including a period on counter-insurgency service while attached to the Army of the Sultanate of Oman. He later undertook numerous expeditions and was the first person to visit both the North and South Poles by surface means and the first to completely cross Antarctica on foot. In May 2009, at the age of 65, he climbed to the summit of Mount Everest. According to the Guinness Book of World Records in 1984, he was the world's greatest living explorer. Fiennes has written numerous books about his army service and his expeditions as well as a book defending Robert Falcon Scott from modern revisionists. Fiennes was born in Windsor, Berkshire on 7 March 1944, nearly four months after the death of his father, Lieutenant-Colonel Sir Ranulph Twisleton-Wykeham-Fiennes. Whilst commanding the Royal Scots Greys in Italy Fiennes' father trod on a German anti-personnel S-mine and died of his wounds eleven days later in Naples on 24 November 1943. He was posthumously awarded the Distinguished Service Order. Fiennes' mother was Audrey Joan (died 2004), younger daughter of Sir Percy Newson, Bt. Fiennes inherited his father's baronetcy, becoming the 3rd Baronet of Banbury, at his birth. Fiennes is a third cousin of Mark Fiennes, whose children include actors Joseph and Ralph Fiennes, and is a distant cousin to the British Royal Family. After the war his mother moved the family to South Africa, where he remained until he was 12. While in South Africa he attended Western Province Preparatory School in Newlands, Cape Town. Fiennes then returned to be educated at Sandroyd School, Wiltshire and then at Eton College.

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