Kenneth Fuchs: Cloud Slant American artist Helen Frankenthaler (1928-2011) started appearing in American art galleries in the 1950s and continued her career for the next 60 years. Her field was abstract expressionism and her developments over her career changed modern

It’s one of the most dramatic of American paintings. On a large grassy field, a woman sits on the ground, turned with her back to the viewer, facing a rolling hill. Her body is twisted, her left hand in front