In this lesson, we will learn all about the exciting life of Sir Ranulph Fiennes. He has been called the world's greatest living explorer! Ranulph is a British explorer who is attempting a new record-breaking challenge to raise money for charity. If he succeeds, he will become the first person to cross the North and South Poles and climb the highest mountain on each of the world's seven continents. He has 3 continents to go.