Though Adrian Schiess’ art appears impeccably clear and precise, it eludes classification as either painting or sculpture. One cannot even say for sure whether this exhibition is an installation in the usual sense of the term, or simply a group of individual paintings. The title Flache Arbeiten (Flat works, 1989) seems to indicate a collection of individual pictures; yet the arrangement of the panels in space has more to do with the overall conception that motivates the installation than with “composition” in any normative sense. What we see in the vast, brightly illuminated room is a regular