6/6 The story behind a diagram placed on a space probe to explain mankind to ET life.
5/6 Marcus du Sautoy explores the story behind the diagram of the DNA double helix.
4/6 Florence Nightingale's rose diagram showed the importance of better hospital sanitation.
3/6 The story behind Newton's diagram of a prism which showed that white light is not pure.
2/6 Marcus du Sautoy tells the story behind Copernicus's diagram of a sun-centred universe.
1/6 Exploring the story behind Leonardo da Vinci's diagram of the perfect human body.