The Stedelijk Van Abbemuseum hasdedicated an exhibition to itself on the occasion of the 50th year since its founding. The museum has placed its entire collection on display, using supplementary space near its own quarters. Yet the objective of the show is not the celebration of an anniversary but, rather, a dissertation on the museum itself, or at least a reflection upon issues surrounding the significance of a modern museum. Rudi Fuchs, director of the Van Abbemuseum, and Piet de Jonge, curator, have mounted a living experiment, a continuation of Fuchs' investigation into the meaning of a