He's the man on the telly with the big moustache, famous for A Child of Our Time, The Human Body and Making Babies but Robert Winston is also a well respected scientist. He played a pioneering role in developing IVF technology, and has brought life to many hundreds of couples who had given up hope of ever having a baby . Jim Al-Khalili talks to Robert Winston about why he quit the theatre to become a medic, creating human life in a test tube and why he disagrees with Richard Dawkins about The God Delusion.

Producer: Anna Buckley.