# Arnold Langen

> German engineer (1876-1947)

**Wikidata**: [Q695672](https://www.wikidata.org/wiki/Q695672)  
**Source**: https://4ort.xyz/entity/arnold-langen


## References

1. Integrated Authority File
2. [Source](https://www.deutsche-biographie.de/sfz47986.html)
3. Virtual International Authority File