Tate Modern in London has received a monumental painting by Abstract Expressionist star Joan Mitchell from ...

What can a flower — or a painting of a flower — do ... something about the very nature of modern art and modern life. An abstract, geometric picture — black lines crossing at right angles ...

Abstract art has ... drawing and geometric abstraction before other artists. Her work used symbols and diagrams she claimed were communicated to her by spirits. These paintings were not exhibited ...