THE WADSWORTH ATHENEUM'S RECENT Sol LeWitt exhibition included just one of the artist’s projects—and everything else in the museum. Curator Nicholas Baume scattered LeWitt’s 1974 “Variations of Incomplete Open Cubes” throughout the Wadsworth’s venerable galleries and then invited viewers to wander the building, discovering the stark white objects in conversation with their surroundings. It turns out they had a lot to say.

In contrast to the breadth of LeWitt’s exhaustive traveling retrospective, the Wadsworth’s focused approach afforded viewers a chance to consider the unfolding of a single major