Katherine El-Salahi, anti-apartheid activist, anthropologist and publisher, 1945–2026

Katherine El-Salahi, an anti-apartheid activist, anthropologist, and publisher, has died at age 81. Born Katherine Levine, she studied at Cambridge and SOAS before joining the clandestine group London Recruits in 1970, carrying out leaflet bomb propaganda and running guns into South Africa. She later became instrumental in the career of her husband, Sudanese painter Ibrahim El-Salahi, organizing his landmark 2013 retrospective at Tate Modern, building his archive, and securing gallery representation with Vigo Gallery.

Dóra Maurer, Hungarian Conceptual Artist, Dies at 88

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Dóra Maurer, a preeminent figure of Hungarian conceptual art, has died at the age of 88. Known for her multidisciplinary approach spanning film, photography, and painting, Maurer rose to prominence for her experimental work created under Soviet rule in Hungary. Her practice frequently explored themes of displacement, perception, and the mathematical shifting of forms, ranging from her 1970s performance-based photography to her later vibrant, geometric "Overlappings" paintings.

Pat Steir, known for her colorful, cascading “Waterfall” paintings, dies at 87.

Pat Steir, the influential abstract painter celebrated for her large-scale "Waterfall" works created by pouring paint down the canvas, has died at the age of 87. Her death was confirmed by family and her gallery, Hauser & Wirth.

Remembering Koyo Kouoh, one of the most influential curators in the global art world, and one of its most original thought leaders

Koyo Kouoh, the influential curator and executive director of the Zeitz Museum of Contemporary Art Africa (Zeitz Mocaa) in Cape Town, has died at age 57, just ten days before she was to announce the title and themes of the 2026 Venice Biennale, for which she had been appointed curator of the international exhibition in December 2024—the first African woman to hold that role. Kouoh transformed Zeitz Mocaa from a fledgling institution into a globally respected museum, securing the donation of Jochen Zeitz's collection, expanding the board, and launching community-focused initiatives like the exhibition *Home is Where the Art is* (2020-21) and the online summit Radical Solidarity.

Bruno Bischofberger, gallerist to Warhol and Basquiat, 1940–2026

Bruno Bischofberger, the influential Swiss gallerist who founded his eponymous gallery in 1963, has died at age 86. He was best known for his decades-long relationship with Andy Warhol, securing right of first refusal on all of Warhol's new works after purchasing eleven early paintings in 1968. Bischofberger also represented Jean-Michel Basquiat internationally from 1982 and gave solo exhibitions to a generation of major artists including Julian Schnabel, David Salle, George Condo, and Francesco Clemente. In 2013, his gallery relocated to a former factory in Männedorf, Switzerland, redeveloped by his daughter and son-in-law.

Remembering John Sailer, the gallerist and champion of Austrian art, who has died, aged 87

John Sailer, the founder of Vienna's Galerie Ulysses and a key champion of Austrian avant-garde art, has died at age 87. Sailer opened the gallery in 1974 with Gabriele Wimmer in a garage space before moving to its permanent location at Opernring 21. Over five decades, the gallery showcased Austrian artists such as Hans Hollein, Maria Lassnig, Walter Pichler, Arnulf Rainer, and Fritz Wotruba, alongside American greats like Jackson Pollock, Andy Warhol, and Helen Frankenthaler. Sailer also worked to promote Austrian and German artists in US museums, notably organizing a Rainer exhibition at the Guggenheim Museum and the Menil Collection, and successfully introducing Lassnig to the New York market at age 70.

Thomas Gentille, Artist Who Made Wearable Sculpture, Dies at 89

Thomas Gentille, an influential American artist and master jeweler, has died at the age of 89. His work, which he described as "wearable sculpture," blurred the lines between jewelry and contemporary art, favoring abstract, architectural forms in materials like eggshell, wood, and stone over traditional precious gems and metals.