This canvas was returned to him in 1946, shortly after it was recovered by Allied forces among the many works hidden by the Nazis in an Austrian salt mine. Near that canvas is a lush, evocative Max Pechstein painting from 1912, Nudes in a Landscape, an exuberant canvas that simply this summer time was returned by the French government to the heirs of the German-born Jewish banker and art collector Hugo Simon. Its murky journey is emblematic of the often long and twisty street travelled by looted art to eventual restitution. These objects are the fabric survivors of the Jewish …