Portal:Germany/Anniversaries/January/January 29
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![Friedrich Mohs](http://upload.wikimedia.org/wikipedia/commons/thumb/5/58/Friedrich_Mohs.jpg/100px-Friedrich_Mohs.jpg)
- 1773 – Birth of mineralogist Friedrich Mohs
- 1810 – Birth of mathematician Ernst Kummer
- 1934 – Death of chemist Fritz Haber, winner of the 1918 Nobel Prize for Chemistry