Arts & Music The Art World This Week: $450M Collection Led by $180M Van Gogh, MoMA Curator Transition, Fondation Beyeler Unveils Peter Zumthor Expansion, and MoreBy channel1la.comOctober 1, 20260 Vincent van Gogh, Châtaigniers en fleurs, 1890, oil on canvas. In the Spotlight A $450m Art Collection Is Poised to…