Bruno Bischofberger, Art Dealer of Stars Like Andy Warhol and Jean-Michel Basquiat, Dies at 86

Bruno Bischofberger, the legendary Swiss art dealer who championed American artists like Andy Warhol and Jean-Michel Basquiat in Europe, has died at age 86. His Zurich-based gallery announced his death on Saturday. Bischofberger founded his eponymous gallery in 1963, which became one of Switzerland's most important blue-chip art spaces. He forged deep personal and professional relationships with artists, including acquiring a stake in Warhol's Interview magazine, producing Warhol's film L'amour, and famously proposing the collaborative paintings between Warhol and Basquiat in 1984. Bischofberger also maintained a decades-long tradition of placing advertisements on the back page of every Artforum issue.

Remembering Pat Steir, one of the 20th century’s late-blooming great artists

Pat Steir, the acclaimed American painter known for her Waterfall series, died in Manhattan on 25 March at age 87. The article traces her career from early struggles as a freelance illustrator and art director, through her transformative encounter with Sol LeWitt in the early 1970s, to her eventual emergence as a major figure in contemporary painting. It highlights her teaching at CalArts and Parsons, her involvement with feminist and artist-run institutions like Heresies and Printed Matter, and the pivotal moment in the early 1980s when she cut up a reproduction of a Jan Brueghel the Elder flower painting into 64 panels, repainting each in a different historical style.

Mary Lovelace O’Neal, Painter Who Defied the Bounds of Abstraction, Dies at 84

Mary Lovelace O’Neal, the American painter known for her large-scale abstract works that defied easy categorization, died in Mérida, Mexico, on May 10 at age 84. Her death was confirmed by her galleries, Jenkins Johnson and Marianne Boesky, on May 13. Active in the Civil Rights movement of the 1960s, O’Neal developed a distinctive practice that blended Minimalism, Abstract Expressionism, and figurative elements, most notably through her Lampblack series and later the "Whales Fucking" series. Her work gained renewed attention in the 21st century, with exhibitions at Mnuchin Gallery and the Museum of the African Diaspora, and her painting *Blue Whale a.k.a. #12* (1983) was selected for the 2024 Whitney Biennial.

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.

Mary Lovelace O’Neal Leaves Her Mark

Abstract mixed-media painter Mary Lovelace O’Neal, a Civil Rights activist and influential artist known for her monumental canvases and inventive 'lampblack' works, died at age 84. The article also reports that Manhattan’s Neue Galerie will merge with the Metropolitan Museum of Art, and covers the NADA New York art fair, Todd Gray's exhibition, and the Lehman College Art Gallery thesis show.

Remembering Bruno Bischofberger, Manuela Hoelterhoff, and Steven Durland

This week's In Memoriam column from Hyperallergic honors seven figures from the art world who recently passed away, including Swiss collector and dealer Bruno Bischofberger (1940–2026), Pulitzer-winning arts critic Manuela Hoelterhoff (1949–2026), and artist-editor Steven Durland (1951–2026). Other notable losses include British painter Ray Burgoyne, iconographer Christina Dochwat, German gallerist Jenny Falckenberg, realist painter Ward Nichols, and MoMA preparator Pamela A. Popeson. Each entry provides a brief biography and highlights their contributions to visual art, criticism, and cultural organizing.

George Herms, Titan of West Coast Assemblage, Dies at 90

George Herms, a pioneering figure in the West Coast Assemblage movement, died on April 24 at age 90. Known for transforming found materials, rusted metal, and debris into poetic sculptures and collages, Herms emerged from the Beat scene in Topanga Canyon and was influenced by artist Wallace Berman. His first assemblage show, Secret Exhibition (1957), was held in a vacant lot, and he was later included in MoMA's landmark 1961 exhibition The Art of Assemblage. Over seven decades, he exhibited widely, including at the Museum of Contemporary Art, Los Angeles, and Morán Morán, and created public artworks in LA such as 'Portals to Poetry' and 'Clocktower: Monument to the Unknown.'

Mary Lovelace O’Neal, Author of Uncategorizable Abstractions, Dies at 84

Mary Lovelace O’Neal, an activist, educator, and artist known for her monumental lampblack paintings that expanded the possibilities of abstraction, died on May 10 in Mérida, Mexico, at age 84. Despite a six-decade career, she was long considered an "artist's artist" before gaining international acclaim in recent years, with major exhibitions at Mnuchin Gallery, Marianne Boesky Gallery, the San Francisco Museum of Modern Art, and inclusion in the 2024 Whitney Biennial and the 2025 group show "Paris Noir" at the Centre Pompidou.

Remembering Raghu Rai, Jack Thornell, and Jarvis Rockwell

Hyperallergic's weekly 'In Memoriam' column honors eight recently deceased figures from the art world, including Indian photojournalist Raghu Rai (1942–2026), Argentine abstract painter Ides Kihlen (1917–2026), Israeli painter and activist Yair Garbuz (1945–2026), British photographer Mark Gerson (1921–2026), Japanese art collector Kurt Gitter (1937–2026), Danish antiquities dealer Ittai Gradel (1965–2026), indigo textile artist Leigh Magar (1968–2026), and Kenyan muralist Patrick Mukabi (1967–2026). Each entry summarizes their life, career highlights, and contributions to visual art and photography.

Timm Ulrichs, Pioneering Conceptual Artist, is Dead at 86

German conceptual artist Timm Ulrichs has died at age 86. His death on April 29 in Berlin was announced by the Kunstverein Hannover, where he was the oldest member. Ulrichs studied architecture before declaring himself a “total artist” in 1961, inspired by Kurt Schwitters. His provocative works included displaying himself as a living artwork in a glass case, running naked with a lightning rod, and spending hours inside a hollowed boulder. He also created concrete poetry, computer art, and copy art, and taught sculpture at the Kunstakademie Münster from 1972 to 2005. His work appeared in Documenta 6 and solo exhibitions at the Sprengel Museum Hannover and Kunstverein Hannover.

Valie Export, Avant-Garde Icon and Feminist Trailblazer, Dies at 85

Valie Export, the Austrian avant-garde artist known for her radical feminist performances, films, and sculptures, has died at age 85. Her gallery, Thaddaeus Ropac, announced her death, noting her groundbreaking work in the 1960s and 1970s introduced a new form of embodied feminism to Europe. Export, born Waltraud Lehner in Linz, Austria, changed her name in 1967 and became known for provocative works such as "Aktionshose: Genitalpanik" (1969) and "Tap and Touch Cinema" (1968–1971), which challenged voyeurism and the sexualization of women's bodies. She also co-founded the Austrian Filmmakers Cooperative in 1968 and was commissioned by the Austrian Broadcast Corporation for her film "Facing the Family" (1971).

Remembering F. John Sierra, Valie Export, and Mary Lovelace O’Neal

This week's In Memoriam column honors seven figures from the art world who recently passed away, including muralist and Chicano art champion F. John Sierra (1942–2026), Austrian feminist performance and film artist Valie Export (1940–2026), and painter and Civil Rights activist Mary Lovelace O'Neal (1942–2026). Also remembered are Maltese coin and monument designer Noel Galea Bason (1955–2026), Iranian-Irish gallerist and polymath Jamshid MirFenderesky (1947–2026), Philadelphia painter and educator Peter Paone (1936–2026), and Italian sculptor and installation artist Remo Salvadori (1947–2026). Each entry highlights their key contributions, from founding institutions and participating in major biennials to shaping cultural identity and challenging societal norms through art.

In His Last Interview, Georg Baselitz Unpacks His New Nudes, Identity Art, and Being a Lifelong Outsider

Georg Baselitz, the influential German painter known for his inverted, upside-down works, gave his final interview before his death on April 30 at age 88. In the conversation, he discussed his upcoming exhibition "Eroi d’Oro [Heroes of Gold]" at the Fondazione Giorgio Cini in Venice, featuring monumental gold-primed canvases depicting nude portraits of himself and his wife Elke. Baselitz reflected on his lifelong outsider status, his refusal to follow artistic movements, and the controversial nature of his work, including his 1963 painting that led to an obscenity trial.

Mary Lovelace O’Neal, Abstract Painter Who Refused to Conform, Dies at 84

Mary Lovelace O’Neal, an abstract painter known for her gestural, unruly works that defied categorization, died on Sunday in Mérida, Mexico, at age 84. Her galleries, Jenkins Johnson and Marianne Boesky, announced her passing. O’Neal produced sprawling paintings characterized by tangles of drippy strokes, often using lamp black pigment to create intensely black canvases. She rejected labels like Abstract Expressionist or Minimalist, insisting she was simply a painter. Her series "Whales Fucking" (1979) and a 2020 exhibition at Mnuchin Gallery revived her profile, leading to inclusion in the 2024 Whitney Biennial.

‘Her crotchless trousers are etched in my brain for ever’: Valie Export remembered by the artists she influenced

Valie Export, the pioneering Austrian feminist artist known for provocative performances like *Tapp-und-Tastkino* (1968) and *Genital Panic* (1969), is remembered by four artists she influenced: Peaches, Florentina Holzinger, Joan Jonas, and Candice Breitz. Each shares personal reflections on Export's radical use of the female body as a political weapon, her confrontational public interventions, and her legacy of civil disobedience against patriarchal structures.

Remembering Georg Baselitz, Nicole Hollander, and Doris Fisher

Hyperallergic's weekly 'In Memoriam' column honors seven figures from the art world who recently passed away, including German Neo-Expressionist painter Georg Baselitz, feminist cartoonist Nicole Hollander, and arts patron Doris F. Fisher, co-founder of The Gap. Other notable figures remembered are photographer Stephanie Chernikowski, West Coast assemblage artist George Herms, Spanish artist and designer José María Cruz Novillo, and Bay Area muralist Dan Fontes. The article provides brief biographies and highlights of their contributions to visual art, photography, comics, and public art.

Künstler Harald Metzkes ist tot

German painter Harald Metzkes has died at the age of 97 in Wegendorf, Brandenburg, surrounded by his family. His son, sculptor Robert Metzkes, confirmed the news to the German Press Agency. Metzkes, who grew up in East Germany, was a leading figure of the Berlin School of painting and resisted the official doctrine of socialist realism, instead creating a personal "world theatre" of harlequins, circus scenes, and theatrical figures inspired by Rembrandt, Velázquez, and Paul Cézanne. His best-known work includes "Der Abtransport der sechsarmigen Göttin." After training as a stonemason and studying at the Dresden Academy of Fine Arts, he worked as a freelance artist in Berlin, supporting himself with book illustrations. His work gained international attention when one of his paintings was sent to the Venice Biennale in 1984, and after the fall of the Berlin Wall he built connections with Western collectors.

È morto Paolo Masi. La lunga ricerca dell’artista fiorentino sulla trasformazione dei materiali poveri

Paolo Masi, the Florentine artist known for his lifelong exploration of poor materials and their transformation, died in Florence on Wednesday, May 6, just days before his 93rd birthday. His career spanned from informal experiments in the 1950s through a rigorous investigation of materials in the 1960s, including his first solo show at the Strozzina in 1960. He joined the aesthetic research group Centro F/Uno alongside Baldi, Lecci, and Nannucci, and later co-founded the collective spaces Zona (1974) and Base (1998) with Mario Mariotti and Maurizio Nannucci. Masi participated in the Venice Biennale (1978) and the Rome Quadriennale (1986), and his works are held by major museums and foundations internationally. His later years saw significant retrospectives at the Museo MAGA in Gallarate (2018) and at Le Murate in Florence (2018), as well as a 2023 solo show at Florence's Galleria Frittelli, which remembered him as an extraordinary artist and dear friend.

È morto a 88 anni il grande artista tedesco Georg Baselitz

German painter Georg Baselitz, known for his expressionist works that confronted the horrors of Nazi Germany, died on April 30, 2026 at age 88. Born Hans-Georg Kern in 1938, he grew up amid World War II rubble and became a pioneering, anti-conformist figure of the post-war era, famously inverting his images to force viewers to reconstruct meaning. A major exhibition, 'GEORG BASELITZ – AVANTI!', had just opened on March 25 at the Museo Novecento in Florence, focusing on his graphic works and his ties to the city. Another show, 'Georg Baselitz. Eroi d’Oro', was set to open May 6 at the Fondazione Giorgio Cini in Venice during the 61st Venice Biennale, featuring large recent paintings and portraits of his wife Elke.

A Tribute to Asher Remy-Toledo

Asher Remy-Toledo, a visionary gallerist, curator, and collector, has passed away after a career spanning over three decades. He founded influential initiatives including Remy Toledo Gallery in Chelsea (2004), Hyphen Hub (2013), No Longer Empty (2009), and Yuanfen Gallery in Beijing, the first new media gallery in mainland China. Remy-Toledo was a tireless champion of women artists, supporting figures such as Carolee Schneemann, Judy Chicago, Mary Beth Edelson, and Ana Mendieta, as well as emerging international artists. He also amassed significant private collections, including works by the article's author and Schneemann's Infinity Kisses series.

Raghu Rai, pioneering Indian photographer, 1942–2026

Raghu Rai, the pioneering Indian photographer and photojournalist, has died at age 84. Over his career, he produced more than 30 books covering subjects such as Tibetan exile, Mother Teresa, Indira Gandhi, and Sikhs in India. His most famous work documented the 1984 Bhopal chemical disaster, first for India Today and later for Greenpeace, resulting in the book *Exposure: A Corporate Crime* and exhibitions that toured Europe, the US, and Bangladesh. Rai began his career at The Statesman in 1966, joined India Today in 1982, and became a member of Magnum Photos in 1977 under the patronage of Henri Cartier-Bresson. He was awarded the Padma Shri in 1972 for his coverage of the 1971 India-Pakistan War and the plight of Bangladeshi refugees.

Ittai Gradel, Whistleblower in British Museum Gem Theft, Dies at 61

Ittai Gradel, the Israel-born Danish gem expert who alerted the British Museum to the theft of thousands of antiquities from its collection after discovering them for sale on eBay, died on April 28 of renal cancer at age 61. Days before his death, British Museum officials visited him in hospice and presented him with a rarely awarded medal for his service. Gradel first warned deputy director Jonathan Williams in 2021 that artifacts were being sold online, identified veteran curator Peter Higgs as the culprit, and provided detailed evidence. After the museum failed to act, Gradel contacted then-director Hartwig Fischer; two years later, Higgs was fired, and Fischer and Williams left the institution amid the scandal.

È morto Bruno Bischofberger, il gallerista e collezionista svizzero che fece lavorare assieme Warhol e Basquiat

Bruno Bischofberger, the influential Swiss gallerist and collector, has died at age 86. A pivotal figure in the contemporary art market, he opened his first gallery in Zurich in 1963 and was instrumental in introducing American Pop Art to Europe, exhibiting Warhol, Lichtenstein, and Rauschenberg. He later championed Minimalism, Land Art, and Neo-Expressionism, representing artists like Sol LeWitt, Donald Judd, and Francesco Clemente. Most famously, Bischofberger discovered Jean-Michel Basquiat in 1981 and orchestrated the legendary collaboration between Warhol, Basquiat, and Clemente. His close relationship with Warhol included a first-refusal agreement on future works and the suggestion of standardized portrait commissions that became Warhol's primary income source.

Mary Lovelace O’Neal, painter and activist, 1942–2026

Mary Lovelace O’Neal, the American painter, professor, and civil rights activist, has died at age 84. Born in Jackson, Mississippi, she was a co-founder of the Non-Violent Action Group while a student at Howard University, later earning an MFA from Columbia University. Known for monumental abstract works on soot-black surfaces, she developed her signature technique through the Lampblack series (1960s–70s) and continued evolving her practice through series such as Whales Fucking (1970s–80s) and Panthers In My Father’s Palace (1980s–90s). In 1985, she became the first African American woman to receive tenure in the Department of Art Practice at the University of California, Berkeley, where she taught for nearly three decades and served as chair from 1999 until her retirement in 2006.

Ray Burgoyne obituary

Ray Burgoyne, a self-taught painter, carpenter, and musician, has died at the age of 80. After a career as a carpenter and set builder, he began exhibiting his paintings in the late 1980s and spent the next three decades organizing numerous exhibitions along the Essex and Suffolk coastline. His work, characterized by thick oil paint, abstract forms, and deep colors, drew on carnivalesque characters and forgotten landscapes. He also played drums in the 1960s mod band the Flowerpots, which opened for the Animals and the Who.

Ittai Gradel, gems expert who uncovered British Museum thefts, dies aged 61

Ittai Gradel, a Danish classical gems specialist, has died at age 61. His investigations revealed that hundreds of objects had been stolen from the British Museum, leading to the resignation of director Hartwig Fischer in 2023. Gradel first alerted the museum in 2021 after finding proof that precious objects were being sold on eBay, naming senior curator Peter Higgs as the suspected seller. After initial concerns were ignored, Gradel wrote again in 2022, eventually prompting a police investigation. Higgs was dismissed in July 2023, and Fischer resigned the following month. Of the 2,000 items affected, 626 have been recovered, many bought in good faith by Gradel and returned. Earlier this month, Gradel received a special British Museum award from current director Nicholas Cullinan.

The great artist Remo Salvadori has died. He was 79 years old

È morto il grande artista Remo Salvadori. Aveva 79 anni

Italian artist Remo Salvadori has died at age 79. Known for his rigorous, independent practice, Salvadori explored matter, energy, science, philosophy, and spirituality through sculpture, installations, and site-specific works. Born in Cerreto Guidi, he studied at the Accademia delle Belle Arti di Firenze and moved to Milan in the early 1970s, where he participated in the experimental scene without joining any movement. His career included solo shows in Milan galleries from 1971, appearances at the Venice Biennale (1982, 1986, 1993) and Documenta in Kassel (1982, 1992), and works held in major museums worldwide. In 2019 he received the Premio Presidente della Repubblica for sculpture. A major retrospective in 2025 at Palazzo Reale, Museo del Novecento, and San Gottardo in Corte in Milan showcased over 50 works from 1969 to 2025.

Patrick Mukabi: Inside the life and legacy of artist who nurtured a movement

Legendary Kenyan painter Patrick Mukabi, known as Panye, has died at age 56 after an illness. Born in Nairobi in 1969, he studied graphic design at the Technical University of Kenya before dedicating himself to fine art. His bold, colorful works were displayed at venues like Jomo Kenyatta International Airport, Java House outlets, and in over 20 countries. He developed the Cover Girls series celebrating curvy women and worked at major art spaces including the Nairobi National Museum, Kuona Artists Collective, GoDown Arts Centre, and the Railway Museum. At Dust Depo Studio, he mentored many young artists, teaching them both technique and the business of art. His protégé Jimmy Kitheka recalls Mukabi's warmth and discipline, and how the studio became a creative hub. Even during his illness, the art community rallied to support him through benefit exhibitions like the Patrick Mukabi Medical Fund Benefit Art Exhibition in April 2026 and a solo show at Banana Hill Art Gallery.