Roy and Irving: A bad name for a 60s folk duo, but a great name for a powerful art combo.

The state of painting in the first half of the 20th century was a chain of movements with clear beginnings and less clear fade-outs. Pollock morphed his early Surrealism into fury, and out of the swirl of Abstract Expressionism came a school called color-field. One could argue there was a connection, one pouring angst, the other pouring delight. The successive isms of the 20th century convinced us all that yes, art progressed in movements, and once one movement sank, another would rise. One did: Pop.