# Friedrich Ahlfeld

> German engineer and geologist (1892-1982)

**Wikidata**: [Q1440485](https://www.wikidata.org/wiki/Q1440485)  
**Source**: https://4ort.xyz/entity/friedrich-ahlfeld


## References

1. Integrated Authority File
2. International Standard Name Identifier
3. Virtual International Authority File
4. CONOR.SI