P. Birken

Wikipedia:Babel

de

Dieser Benutzer spricht Deutsch als Muttersprache.

en-4

This user can contribute with a near-native level of English.

sv-3

Denna användare behärskar svenska flytande.

fr-2

Cet utilisateur peut contribuer avec un niveau intermédiaire en français.

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I am a german mathematician and mostly active on the german Wikipedia since the beginning of 2004. I was a member of the board of Wikimedia Deutschland e. V. from 2006 till 2010. I am particulary concerned with methods to improve the quality of Wikipedia, in particular I was responsible for Flagged Revisions. See more on my german userpage: http://de.wikipedia.org/wiki/Benutzer:P._Birken.