Charles Ray’s retrospective, though beautiful, was somewhat too select. In the Swiss staging of the show (which originated at the Rooseum in Malmo), few works were exhibited, despite an abundance of space. Ray is one of the most intriguing artists working today, and he has been largely underestimated, particularly before his works appeared at the last Documenta. His work investigates the connections between artistic production and social relationships.

As Bruce W. Ferguson’s lengthy catalogue essay points out, today’s most typical interpretive categories are easily adapted to Ray’s work, even