5. Lennart Nilsson - The Inner Child

Colin Ford tells the stories behind five groundbreaking photographs and how they changed the world.

Lennart Nilsson took his portrait of the Inner Child in 1965.

It became the first ever photograph of a live foetus taken inside its mother's womb and was used on the cover of Life magazine.

Producer: Hilary Dunn

First broadcast on BBC Radio 4 in December 1999.