Ferdinand Johann Wiedemann
![Ferdinand Johann Wiedemann](https://upload.wikimedia.org/wikipedia/commons/6/6d/Ferdinand_Johann_Wiedemann.jpg)
Wiedemann was of German-Swedish origin. In 1869 he published an Estonian-German dictionary (''Ehstnisch-deutsches Wörterbuch''), which was the richest dictionary of Estonian words for a long time.
Provided by Wikipedia
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Published: 2002
Superior document: Tartu Ülikooli Eesti keele Õppetooli toimetised 20