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17 June 2026

Radical Harmony Preview: How Three Museums Shaped a Neo‑Impressionist Blockbuster

If you’re mapping out your must‑see exhibitions, Radical Harmony should be at the top of your list. Radical Harmony: Helene Kröller‑Müller’s Neo‑Impressionists opens at the National Gallery, London, bringing together daring color, meticulous technique, and a cross‑border curatorial vision. This Radical Harmony preview outlines what’s coming, why it matters, and how collaboration between major museums turned an ambitious idea into a landmark show.

What is Radical Harmony?

Radical Harmony: Helene Kröller‑Müller’s Neo‑Impressionists is a major exhibition of French, Belgian, and Dutch Neo‑Impressionist art, largely drawn from the celebrated collection of Helene Kröller‑Müller (1869–1939). It focuses on how this style became one of the first pan‑European art movements, while exploring both its radical techniques and its social and political underpinnings.

Key facts at a glance:

Notably, this is the National Gallery’s first ever exhibition devoted to the Neo‑Impressionist art movement.

Three museums at the heart of Radical Harmony

While Radical Harmony draws on a global network of lenders, three museums play especially visible roles as host, core collection partner, and key lender.

2) Kröller‑Müller Museum

3) Tate (among other leading lenders)

Additional participating lenders include the Rijksmuseum, Amsterdam, and Museum Barberini, Potsdam, as well as works from private collections.

Why Neo‑Impressionism still feels radical

Neo‑Impressionism, often associated with pointillism, pushed painting into a new kind of rigor. Artists applied regular dots or strokes of pure color designed to interact optically, achieving luminosity and harmony through careful structure rather than expressive brushwork.

This blend of rigor and idealism—optical precision alongside social purpose—explains why Neo‑Impressionism remains so compelling today.

Inside the curatorial approach

Radical Harmony examines the movement’s reach from France into Belgium and the Netherlands, showing how ideas traveled and transformed across borders. It pairs formal analysis—how color and geometry create visual equilibrium—with historical context, making a case for Neo‑Impressionism as one of Europe’s first truly transnational art languages.

A collaboration years in the making

Radical Harmony builds on an active program of partnerships. The Kröller‑Müller Museum collaborates nationally and internationally to promote and research its collection. Previous collaborations with the National Gallery include Van Gogh: Poets and Lovers in London, which featured six Van Gogh paintings from the Kröller‑Müller Museum’s collection and was on view until 19 January 2025.

To explore the broader framework of collaboration and research, visit:

Frequently asked questions about Radical Harmony

When is Radical Harmony on view?

13 September 2025 to 8 February 2026.

Where is the exhibition held?

The National Gallery, London (Sainsbury Wing).

What is the star loan?

Georges Seurat’s Le Chahut (1889–1890), traveling to the UK for the first time.

Who are the curators?

Julien Domercq (Curator, the Royal Academy of Arts), Christopher Riopelle (the Neil Westreich Curator of Post‑1800 Paintings at the National Gallery), and Renske Cohen Tervaert (Curator, Kröller‑Müller Museum).

Which artists are included?

Jan Toorop, Théo van Rysselberghe, Paul Signac, Georges Seurat, Henry van de Velde, and Anna Boch, among others.

Which institutions are lending works?

Public and private collections worldwide, including the Rijksmuseum, Amsterdam; Museum Barberini, Potsdam; Tate; and the National Gallery’s own Neo‑Impressionist collection.

Practical takeaways

Conclusion

Radical Harmony brings a rare alignment of vision, scholarship, and lending cooperation to London. With the National Gallery as host, the Kröller‑Müller Museum as a core collection partner, and leading lenders such as the Rijksmuseum, Museum Barberini, and Tate, this exhibition reframes Neo‑Impressionism as both radical and harmonizing—socially engaged yet rigorously composed.

Ready to dive deeper? Start with the exhibition announcement, explore Helene Kröller‑Müller’s collection online, and plan your visit. If you believe in the power of collaboration to bring art to new audiences, consider supporting the museum’s work.