NEW YORK, NY.- PaceWildenstein is presenting a group exhibition that brings together works by some of the most significant artists of the twentieth and twenty-first centuries, paying homage to the square, an elemental form that has helped to define and shape the practice of modern and contemporary art. The exhibition features sculptures and paintings by 16 artists, including Josef Albers, Tara Donovan, Tony Feher, Dan Flavin, Alfred Jensen, Donald Judd, Sol LeWitt, Robert Mangold, Agnes Martin, Louise Nevelson, Ad Reinhardt, Lucas Samaras, Joel Shapiro, James Siena, Keith Tyson, and Corban Walker. “On the Square” will be on view at the 32 East 57th Street gallery through February 13, 2010. In the late 1960s, Sol LeWitt famously articulated the value of the square’s (or the cube’s) “uninteresting”