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Births
1605 – Ismael Bullialdus, French astronomer
1852 – Henri Moissan, French chemist and Nobel Prize laureate
1939 – Stuart Kauffman, American biologist
Deaths
1694 – Gabriel Mouton, French scientist
1895 – Louis Pasteur, French scientist
1953 – Edwin Hubble, American astronomer
1979 – John Herbert Chapman, Canadian physicist