# Rudolf Grahmann

> German geologist (1888–1962)

**Wikidata**: [Q2172769](https://www.wikidata.org/wiki/Q2172769)  
**Source**: https://4ort.xyz/entity/rudolf-grahmann


## References

1. Integrated Authority File
2. Catalog of the German National Library
3. International Standard Name Identifier
4. Virtual International Authority File
5. CiNii Research