Kunsthaus Zürich and Bührle Foundation Agree on Provenance Research Framework, Collection to Remain on View
The Facts
The Zürcher Kunstgesellschaft and the Foundation E. G. Bührle Collection announced on May 26, 2025, a new set of guidelines governing the long-term loan of 205 works from the Bührle Collection at the Kunsthaus Zürich. The agreement follows an independent review of the foundation's provenance research by Prof. Raphael Gross, published in June 2024, and intense public debate over the collection's Nazi-era origins. Under the terms, the Zürcher Kunstgesellschaft will conduct systematic provenance research on all 205 works over the next five years, applying standards consistent with the Washington Conference Principles and the Terezin Declaration. The Bührle Foundation reaffirmed its commitment to seek fair and just solutions in cases of substantiated Nazi-looted cultural property, and three new exhibition formats will provide historical contextualization.
The Signal
The agreement signals a significant institutional shift in how Swiss museums handle contested collections, placing the burden of provenance research on the host institution rather than the lender. For collectors and curators, this model — combining continued public access with intensified research and a commitment to restitution — may become a template for other museums holding collections with problematic histories. The commitment to keep works like Manet's 'La Sultane' on view even after restitution agreements suggests a pragmatic path that balances historical accountability with public engagement, though the five-year timeline for research will be closely watched by heirs and advocacy groups.
- People: Philipp Hildebrand, Prof. Raphael Gross
- Museums: Kunsthaus Zürich
- Locations: Zurich
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