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On the left is Marx's last known photo. And then he had his beard shaved off. On the right is a photomontage. [More inside]
(hexbear.net)
Left: last photograph of Karl Marx, taken by E. Dutertre in Algiers, on 28 April 1882. Right: a photomontage-based upon Marx's own correspondence, where he said that the photo was taken just a short while before he went to the barber to have his hair cut and his beard shaved off, and shows how he may have looked after his visit to the barber.
Reminds me of how Chopin went to Mallorca for his tuberculosis but he (or whoever made the decision) picked literally the worst place in the island (a village in the mountains). I get that the coast is humid, but so is actually the entire island.