Portal:Germany/Anniversaries/June/June 21
Appearance
![Georg von Neumayer](http://upload.wikimedia.org/wikipedia/commons/thumb/a/a1/Neumayer.jpg/100px-Neumayer.jpg)
- 1826 – Birth of explorer Georg von Neumayer
- 1863 – Birth of astronomer Max Wolf
- 1870 – Birth of chemist Clara Immerwahr
- 1957 – Death of physicist Johannes Stark, winner of the 1919 Nobel Prize in Physics