This is a three part story. Firstly Charles Babbage's ancestors through the ages, secondly, his own history - his life as a child and a teenager (and also his family life and his relationship with the remarkable Ada Bryon), and thirdly what inspired him to want to build a computer and his life as an inventor. Was one of his ancestors Queen Mary's cousin? Her name is significant and she was the first person to greet Queen Mary when she arrived back...