# Ludwig Rüger

> German geologist and university teacher (1896-1955)

**Wikidata**: [Q19963167](https://www.wikidata.org/wiki/Q19963167)  
**Source**: https://4ort.xyz/entity/ludwig-r-ger


## References

1. Integrated Authority File
2. Czech National Authority Database
3. [Source](http://viaf.org/viaf/data/viaf-20170101-links.txt.gz)
4. Virtual International Authority File
5. [Source](https://kalliope-verbund.info/DE-611-BF-3507)