'Statues are of dead blokes. This is a living woman kicking arse.' How we made the fourth plinth's Alison Lapper Pregnant

'I was slated for it. People were writing to the papers saying, "It's disgusting that disabled people should be allowed to get pregnant." Excuse me?' Around 1999, I started making sculptures of people with differently shaped bodies. I wanted to celebrate a different kind of beautiful, a kind of body other than what you normally see in art. I approached the British Paralympic Association and through them contacted Peter Hull [the British swimmer and Paralympic gold medallist] and made a sculpture...