Who was the greatest person of the 20th century? That’s what this series sets out to find, focusing on the most outstanding leaders in their field, from explorers, scientists and entertainers to activists, sports stars, writers and artists. Some of the memorable figures include Nelson Mandela, astronaut Neil Armstrong, actor Charlie Chaplin, civil rights activist Martin Luther King Jr through to the revered painter Pablo Picasso. This series is bound to ignite debate, discussion and discovery.