Michael Craig-Martin
Whitechapel Gallery
In Michael Craig-Martin’s work, although everything is laid out upon the surface, there is more here than meets the eye. In this, his first retrospective, which includes constructions, neon works, wall drawings, relief sculptures, and paintings, he succeeds in making the invisible visible. An Oak Tree, 1973, guarding the entry, is the only piece that clearly goes beyond appearance. It consists of a glass of water perched on a glass shelf some nine feet up a wall, together with a short text in which the artist says that he has turned the glass of water into an oak tree. The difference between