At the toughest time of his life, the painter was supported by an unlikely soulmate, Joseph Roulin, a postman in Arles. It ...

Image credits: Vincent van Gogh, The Bedroom (1888) In 1901, Gauguin, in Tahiti, painted four still-lifes of sunflowers resting on a chair as a salute to his long-departed friend Van Gogh.

Bernard’s role was never fully appreciated until Art Historian John Rewald told the story last autumn in his authoritative Post-Impressionism: From Van Gogh to Gauguin. In the late 1880s Gauguin ...