Common Denominator' shows work of Mary GrandPré and Tom Casmer - by Niki Kottmann, Observer GroupMary GrandPré and Tom Casmer speak the same language. They’re one of those rare married couples who are completely in sync without being stale carbon copies of one another.GrandPré and Casmer are both artists with backgrounds in illustration, but the art they create today is completely different. However, their mindsets are still quite similar in one way: They see the world as a series of shapes, forms and colors. READ MORE