Barbara Crane: Challenging VisionBarbara Cranes subjects are commonplace: a piece of driftwood, a cluster of wild mushrooms, a crowd of commuters rushing for the train. The resulting photographs, however, are far from ordinary. They are imaginative, peculiar, jarring, and, like their creator, defy easy explanation. For more than sixty years, Crane has forged her own path as a photographer. Lacking a darkroom, she began using Polaroid materials. Lacking suitable models, she paid her