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Births
1678 – Jean Jacques d’Ortous de Mairan, French geophysicist
1832 – Karl Rudolf König, German physicist
1898 – Karl Ziegler, German chemist and Nobel Prize laureate
1904 – Armand Frappier, French-Canadian physician and microbiologist
1907 – Ruth Patrick, American botanist
1938 – Rodney Jory, Australian physicist
Deaths
1876 – Karl Ernst von Baer, German biologist
1885 – Thomas Andrews, Irish chemist
1896 – Emil du Bois-Reymond, German physician