A few days before the opening of a van Gogh exhibition in Paris in 1947, gallery owner Pierre Loeb suggested that Antonin Artaud (1896-1948) write about the painter. Challenging the thesis of alienation, Artaud was determined to show how van Gogh's exceptional lucidity made lesser minds uncomfortable. Wishing to prevent him from uttering certain "intolerable truths", those who were disturbed by his painting...