compared with most people,sir Ranulp "ran" Fiennes has had extremely varied life. He has been a soldier,a writer, and a politician.But most people know him has the world's greatest living explorer.Ran is now in his 60s ,but he hasn't stopped exploring since his first expedition in 1969. During the past 40 years, Ran achieved amazing thing in remote locations.He circumnavigated the world and traveled to the North and South Poles.He has endured exhausting conditions, tropical heat,and intense cold.And he has used his exhilarating adventures to raise million of dollars for charity.