# Friedrich Claussen

> Dr. phil. Martin-Luther-Universität Halle-Wittenberg 1889

**Wikidata**: [Q102253597](https://www.wikidata.org/wiki/Q102253597)  
**Source**: https://4ort.xyz/entity/friedrich-claussen


## References

1. Integrated Authority File
2. Mathematics Genealogy Project
3. Virtual International Authority File
4. Q107642470