In the Klimt portrait, she looks like a preoccupied mom at a members’ opening at the Met. “This is our Mona Lisa,” Lauder said, plausibly enough. “I never saw her smile,” Mrs. Altmann ...

Portrait of Adele Bloch-Bauer I (1907) by Gustav Klimt. Art collector and cosmetics mogul Ronald Lauder, smiling In the ... that she and Klimt were lovers. Mrs. Bloch-Bauer died young (43 ...