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Births
1423 – Georg Purbach, German mathematician and astronomer
1814 – Eugène Charles Catalan, Belgian mathematician
1908 – Hannes Alfvén, Swedish physicist, Nobel Prize laureate
1912 – Julius Axelrod, American biochemist and Nobel Prize laureate
Deaths
1901 – Victor D’Hondt, Belgian mathematician
1926 – Vladimir Steklov, Russian physicist