In Memoriam This week, we honor a Swiss collector, a discerning art critic, and a champion of performance art. May 13, 2026 — 4 min read Andy Warhol, Jean-Michel Basquiat, Bruno Bischofberger, and Francesco Clemente in New York (1984) (photo Galerie Bruno Bischofberger via Wikimedia Commons , CC BY-SA 4.0 ) In Memoriam  is published every Wednesday afternoon and honors those we recently lost in the art world. Bruno Bischofberger (1940–2026) Swiss art historian, collector, and dealer Beginning in the 1960s, he established art galleries in Zurich and St. Moritz in Switzerland. He brought American Pop Artists to Swiss audiences, including Andy Warhol, Roy Lichtenstein, Claes Oldenburg, and more. In the 1970s and '80s, he promoted Neo-Expressionist artists such as Julian Schnabel and George Condo. "Bischofberger was far more than just an art dealer; he was a brilliant artist in his own right, a visionary, a pioneer, a teacher and a patron of the arts," a statement released by his gallery read.…