British explorer Ranulph Fiennes poses for a photograph with charity patron and actress Joanna Lumley (L) during a news conference in a hotel, after his arrival at Heathrow Airport in London March 4, 2013. The 68-year-old was forced to pull out of an expedition across Antarctica during winter due to frostbite. REUTERS/Chris Helgren (BRITAIN - Tags: ENVIRONMENT HEALTH SOCIETY) 

British explorer Ranulph Fiennes listens during a news conference in a hotel, after his arrival at Heathrow Airport in London March 4, 2013. The 68-year-old was forced to pull out of an expedition across Antarctica during winter due to frostbite. REUTERS/Chris Helgren (BRITAIN - Tags: ENVIRONMENT HEALTH SOCIETY) 

British explorer Ranulph Fiennes is interviewed after a news conference in a hotel, after his arrival at Heathrow Airport in London March 4, 2013. The 68-year-old was forced to pull out of an expedition across Antarctica during winter due to frostbite. REUTERS/Chris Helgren (BRITAIN - Tags: ENVIRONMENT HEALTH SOCIETY) 

British explorer Ranulph Fiennes looks at his injured hand during a news conference in a hotel, after his arrival at Heathrow Airport in London March 4, 2013. The 68-year-old was forced to pull out of an expedition across Antarctica during winter due to frostbite. REUTERS/Chris Helgren (BRITAIN - Tags: ENVIRONMENT HEALTH SOCIETY) 

British explorer Ranulph Fiennes listens during a news conference in a hotel, after his arrival at Heathrow Airport in London March 4, 2013. The 68-year-old was forced to pull out of an expedition across Antarctica during winter due to frostbite. REUTERS/Chris Helgren (BRITAIN - Tags: ENVIRONMENT HEALTH SOCIETY) 

British explorer Ranulph Fiennes looks at his injured hand during a news conference in a hotel, after his arrival at Heathrow Airport in London March 4, 2013. The 68-year-old was forced to pull out of an expedition across Antarctica during winter due to frostbite. REUTERS/Chris Helgren (BRITAIN - Tags: ENVIRONMENT HEALTH SOCIETY) 

British explorer Ranulph Fiennes looks at his injured hand during a news conference in a hotel, after his arrival at Heathrow Airport in London March 4, 2013. The 68-year-old was forced to pull out of an expedition across Antarctica during winter due to frostbite. REUTERS/Chris Helgren (BRITAIN - Tags: ENVIRONMENT HEALTH SOCIETY) 

Explorer Ranulph Fiennes attends a news conference in London after returning from his successful attempt to reach the summit of Everest to raise money for the charity Marie Curie Cancer Care May 26, 2009. On his third attempt, and at 65, Fiennes is the oldest Briton to reach the summit. REUTERS/Stephen Hird (BRITAIN SOCIETY) 

Explorer Ranulph Fiennes speaks during a news conference in London after returning from his successful attempt to reach the summit of Everest to raise money for the charity Marie Curie Cancer Care May 26, 2009. On his third attempt, and at 65, Fiennes is the oldest Briton to reach the summit. REUTERS/Stephen Hird (BRITAIN SOCIETY) 

Explorer Ranulph Fiennes (2nd R) poses with his wife Louise (2nd L) and two Marie Curie Cancer care nurses during a news conference in London after returning from his successful attempt to reach the summit of Everest to raise money for the charity Marie Curie Cancer Care May 26, 2009. On his third attempt, and at 65, Fiennes is the oldest Briton to reach the summit. REUTERS/Stephen Hird (BRITAIN SOCIETY) 

Explorer Ranulph Fiennes speaks during a news conference in London after returning from his successful attempt to reach the summit of Everest to raise money for the charity Marie Curie Cancer Care May 26, 2009. On his third attempt, and at 65, Fiennes is the oldest Briton to reach the summit. REUTERS/Stephen Hird (BRITAIN SOCIETY) 

Explorer Ranulph Fiennes speaks during a news conference in London after returning from his successful attempt to reach the summit of Everest to raise money for the charity Marie Curie Cancer Care May 26, 2009. On his third attempt, and at 65, Fiennes is the oldest Briton to reach the summit. REUTERS/Stephen Hird (BRITAIN SOCIETY) 

Explorer Ranulph Fiennes is touched by his wife Louise during a news conference in London after returning from his successful attempt to reach the summit of Everest to raise money for the charity Marie Curie Cancer Care May 26, 2009. On his third attempt, and at 65, Fiennes is the oldest Briton to reach the summit. REUTERS/Stephen Hird (BRITAIN SOCIETY) 

Explorer Ranulph Fiennes poses during a news conference in London after returning from his successful attempt to reach the summit of Everest to raise money for the charity Marie Curie Cancer Care May 26, 2009. On his third attempt, and at 65, Fiennes is the oldest Briton to reach the summit. REUTERS/Stephen Hird (BRITAIN SOCIETY IMAGES OF THE DAY) 

Explorer Ranulph Fiennes poses with his wife Louise during a news conference in London after returning from his successful attempt to reach the summit of Everest to raise money for the charity Marie Curie Cancer Care May 26, 2009. On his third attempt, and at 65, Fiennes is the oldest Briton to reach the summit. REUTERS/Stephen Hird (BRITAIN SOCIETY) 

Sir Ranulph Fiennes jokes with friends after returning from the Everest region in Kathmandu May 24, 2009. Aged 65, Fiennes became the oldest Briton to climb Mount Everest when he reached the summit on May 21, 2009. REUTERS/Deepa Shrestha (NEPAL SOCIETY) 

Sir Ranulph Fiennes rests his left hand with amputated finger tips on a chair during lunch with friends in Kathmandu May 24, 2009. Aged 65, Fiennes became the oldest Briton to climb Mount Everest when he reached the summit on May 21, 2009. He amputated the fingertips on his left hand after sustaining severe frostbite during an attempted expedition to the North Pole in 2000. REUTERS/Shruti Shrestha (NEPAL SOCIETY) 

Sir Ranulph Fiennes jokes with friends after returning from the Everest region in Kathmandu May 24, 2009. Aged 65, Fiennes became the oldest Briton to climb Mount Everest when he reached the summit on May 21, 2009. REUTERS/Deepa Shrestha (NEPAL SOCIETY IMAGES OF THE DAY) 

Explorer Sir Ranulph Fiennes (R) waves off Helen and John Taylor in their Volkswagen Golf car in Waterloo Place, central London, January 17, 2006. The couple are embarking on a trip around the world, fuelled by a new Shell petrol formulation in an attempt to set an Official Guinness World Record for fuel efficiency. The attempt will cover approximately 28,970 km (18,000 miles), across 25 countries, in 70 days, on fifty fill-ups or less. REUTERS/Alessia Pierdomenico 

Former Soviet leader Mikhail Gorbachev delivers his speech "Navigating Transition and Executing Change" at the Leaders in London Summit at the Barbican centre, London October 18, 2005. The two-day summit hosts a line up of international speakers, including former president of the U.S. Bill Clinton, former U.S. Secretary of State Madeline Albright and British explorer Sir Ranulph Fiennes, discussing aspects of business leadership to an audience of European businessmen. REUTERS/Kieran Doherty 

Former Soviet leader Mikhail Gorbachev delivers his speech 'Navigating Transition and Executing Change' at the Leaders in London Summit at the Barbican centre, London October 18, 2005. The two-day summit hosts a line up of international speakers, including former president of the U.S. Bill Clinton, former U.S. Secretary of State Madeline Albright and British explorer Sir Ranulph Fiennes, discussing aspects of business leadership to an audience of European businessmen. REUTERS/Kieran Doherty 

Former Soviet leader Mikhail Gorbachev delivers his speech "Navigating Transition and Executing Change" at the Leaders in London Summit at the Barbican centre, London October 18, 2005. The two-day summit hosts a line up of international speakers, including former president of the U.S. Bill Clinton, former U.S. Secretary of State Madeline Albright and British explorer Sir Ranulph Fiennes, discussing aspects of business leadership to an audience of European businessmen. REUTERS/Kieran Doherty 

Former Soviet leader Mikhail Gorbachev delivers his speech "Navigating Transition and Executing Change" at the "Leaders in London Summit" at the Barbican centre, London October 18, 2005. The two-day summit hosts a line up of international speakers, including former president of the U.S. Bill Clinton, former U.S. Secretary of State Madeline Albright and British explorer Sir Ranulph Fiennes, discussing aspects of business leadership to an audience of European businessmen. REUTERS/Kieran Doherty 

British explorer Ranulph Fiennes speaks after finishing his seventh
marathon in seven days on seven continents, in New York on November 2,
2003. Fiennes finished at 5:25:46. REUTERS/Chip East

CME 

British explorer Ranulph Fiennes (R) and his running partner Mike
Stroud (L) speak after finishing their seventh marathon in seven days
on seven continents, in New York on November 2, 2003. REUTERS/Chip
East

CME 

British explorer Ranulph Fiennes is presented a medal after finishing
his seventh marathon in seven days on seven continents, in New York
November 2, 2003. Fiennes on Sunday finished the last leg of his latest
challenge - running seven marathons in seven days on seven continents
only months after suffering a near-fatal heart attack. He finished in a
time of five hours, 25, minutes, 26 seconds. REUTERS/Chip East

CME/HB 

British explorer Ranulph Fiennes speaks after finishing his seventh
marathon in seven days on seven continents, in New York on November 2,
2003. Fiennes finished at 5:25:46. REUTERS/Chip East

CME 

British explorer Sir Ranulph Fiennes (L) passes a street bill board
written in Arabic as he runs through a Cairo street November 1, 2003.
Fiennes slowly began the penultimate leg of his latest challenge on
Saturday - running seven marathons in seven days on seven

continents months after suffering a near-fatal heart attack.
REUTERS/Aladin Abdel Naby 

British explorer Sir Ranulph Fiennes gestures during a news conference
in front of the 4,500-year-old Pharaonic monument the Sphinx before the
start of a marathon in Cairo November 1, 2003. Fiennes slowly began the
penultimate leg of his latest challenge on

Saturday - running seven marathons in seven days on seven continents
months after suffering a near-fatal heart attack. REUTERS/Aladin Abdel
Naby 

British explorer Sir Ranulph Fiennes departs from Windsor Castle on the fifth leg of his seven continent marathon challenge, in southern England, October 31, 2003. Fiennes began the fifth leg of his latest challenge of running seven marathons in seven days in seven continents on Friday, less than five months after suffering a near-fatal heart attack. 

British explorer Sir Ranulph Fiennes makes final preparations before
departing from Windsor Castle on the fifth leg of his seven continent
marathon challenge, in southern England, October 31, 2003. Fiennes
began the fifth leg of his latest challenge of running seven marathons
in seven days in seven continents on Friday, less than five months
after suffering a near-fatal heart attack. REUTERS/David Bebber

ASA 

British explorer Sir Ranulph Fiennes departs from Windsor Castle on the
fifth leg of his seven continent marathon challenge, in southern
England, October 31, 2003. Fiennes began the fifth leg of his latest
challenge of running seven marathons in seven days in seven continents
on Friday, less than five months after suffering a near-fatal heart
attack. REUTERS/David Bebber

ASA/CRB 

British explorer Sir Ranulph Fiennes (R) and expedition partner Mike
Stroud (L) make final preparations before departing from Windsor Castle
on the fifth leg of their seven continent marathon challenge, in
southern England, October 31, 2003. Fiennes began the fifth leg of his
latest challenge of running seven marathons in seven days in seven
continents on Friday, less than five months after suffering a
near-fatal heart attack. REUTERS/David Bebber

ASA/CRB 

British explorer Sir Ranulph Fiennes (R) receives a blood test after he
finished a marathon run in Singapore, October 30, 2003, on the fourth
leg of his bid to run seven marathons in seven days on seven
continents. Fiennes, 59, described by the Guinness Book of Records as
the "World's Greatest Living Explorer" is attempting his feat less than
five months after suffering a near fatal heart attack. REUTERS/David
Loh

DL/RCS 

British explorer Sir Ranulph Fiennes speaks to the media after he
finished a marathon run in Singapore, October 30, 2003, on the fourth
leg of the latter's bid to run seven marathons in seven days on seven
continents. Fiennes, 59, described by the Guinness Book of Records as
the "World's Greatest Living Explorer" is attempting his feat less than
five months after suffering a near fatal heart attack. REUTERS/David
Loh

RCS 

British explorer Sir Ranulph Fiennes (2nd R) runs a marathon in
Singapore, October 30, 2003, on the fourth leg of the latter's bid to
run seven marathons in seven days on seven continents. Fiennes, 59,
described by the Guinness Book of Records as the "World's Greatest
Living Explorer" is attempting his feat less than five months after
suffering a near fatal heart attack. REUTERS/David Loh

RCS 

A Singaporean marathon runner pours water on British explorer Sir
Ranulph Fiennes (2nd R) in Singapore, October 30, 2003, on the fourth
leg of the latter's bid to run seven marathons in seven days on seven
continents. Fiennes, 59, described by the Guinness Book of Records as
the "World's Greatest living Explorer" is attempting his feat less than
five months after suffering a near fatal heart attack. REUTERS/David
Loh

DL 

Britain Sir Ranulph Fiennes (L) and Dr Mike Stroud (R) run through the forecourt of the Sydney Opera House during their Sydney marathon October 29, 2003. Fiennes, described by the Guinness Book of Records as "the World's Greatest Living Explorer", is attempting to be the first man to run seven marathons on seven continents in seven days. 

SIR RANULPH FIENNES AND DOCTOR MIKE STROUD SHAKE HANDS AFTER COMPLETING
THEIR THIRD MARATHON IN THREE DAYS IN SYDNEY. 

Britain's Sir Ranulph Fiennes (L) and an unidentified runner pass the
Sydney Opera House as he runs a marathon in Sydney October 29, 2003.
Fiennes, described by the Guinness Book of Records as "the World's
Greatest Living Explorer", is attempting to be the first man to run
seven marathons on seven continents in seven days. REUTERS/Will
Burgess

WB/RCS 

Britain Sir Ranulph Fiennes (L) and Dr Mike Stroud (R) run through the
forecourt of the Sydney Opera House during their Sydney marathon October 29,
2003. Fiennes, described by the Guinness Book of Records as "the World's
Greatest Living Explorer", is attempting to be the first man to run seven
marathons on seven continents in seven days. Pictures of the month October
2003. REUTERS/Will Burgess

WB/RCS 

British Explorer Sir Ranulph Fiennes (L) passes the Sydney Opera House as he runs a marathon October 29, 2003. REUTERS/Tim Wimborne TBW/LA 

FILE PHOTO 19FEB93 - British explorer Sir Ranulph Fiennes speaks at a press conference at the Royal Geographic Society in February 1993. Fiennes was forced to abandon his attempt to become the first man to walk unaided across Antarctica December 11 due to a kidney stones complaint.

BRITAIN 

Sir Ranulph Fiennes, Pipesmoker of the Year (C) poses with former winners Rod Hull (L) and Sir Patrick Moore (R), January 19, 1994. Fiennes, who received the annual award at a ceremony held by the Pipesmokers Council, only smokes on expeditions. SCANNED FROM NEGATIVE. REUTER/Russell Boyce CMC/PN 

Explorer Sir Ranulph Fiennes speaks at a press conference at the Royal Geographic Society February 19 following his 95-day trek across the Antarctic