From NPR Music Auction of rare Hilma af Klint artwork illuminates tensions over her legacy NPR | By Michelle Aslam, Sarah Robbins, Rob Schmitz Published November 15, 2026 at 2:11 PM PST Facebook Twitter LinkedIn Email Listen • 6:12 The upcoming auction of a piece from Swedish abstract art pioneer Hilma af Klint has raised questions about control over her legacy. Copyright 2026 NPR