Richard de Grijs Sydney, Australia   Germans eating sauerkraut. Hand-colored etching by James Gillray (1756–1815), published 7 May 1803. (© National Portrait Gallery, London: NPG D12809; CC BY-NC-ND 3.0) “. . . those affected have skin as black as ink, ulcers, difficult respiration, rictus of the limbs, teeth falling out and, perhaps most revolting of…