Ben Miller is an actor, comedian and author. You may know him
best from the Johnny English movies or as part of the double act,
Armstrong and Miller.
He has also written both science and children's books. His
most recent book is called the 'The Boy who made the World
Disappear', which he wrote for his son.
How can you change the world? Join Krishnan Guru-Murthy and his guest of the week as they explore the big ideas influencing how we think, act and live.