Snow flakes

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An nice article in CNN about snowflakes. It tells the story of Wilson Alwyn Bentley (1865-1931), a farmer from Jericho, Vermont, who had photographed 5000 snow flakes under the microscope. An other article from the library of congress. The Bentley Snow Crystal collection is here. There is a children book on Bentley which mentions that Bentley spent 15'000 dollars for his work and in total got back 4000 in sales of photographs and slides. He died in a Winter blizzard in 1931.