NARRATOR: White marble, smooth surfaces, perfect proportions. This sculpture is called 'Three Forms', and was made by Barbara Hepworth in 1935. The year before, Hepworth had begun exploring pure form, reducing her sculptures to the simplest shapes and eradicating almost all colour, as we see here. Her love of the essential qualities of the stone with which she worked comes through in this archival recording. BARBARA HEPWORTH: It’s lovely to pick up a stone, and it’s lovely to live with a sculpture, because it changes in every possible light; all through the day, moonlight, artificial light, any light, it’s always changing. I was born with the ideas of certain shapes in my mind, at least I remember as far back as seven. And the whole time one has been working at it and working, trying to simplify and make more mature, get the right scale, and develop it according to the development of society. Everything I make is to touch, and people usually do, which pleases me. And it’s very important to a sculptor, not just to go, sort of, ‘plonk’ up and look, because it changes all the time. So the real thing for people is to move with their bodies. If I’ve made them do that, then I’m very happy!