# Otto Pettenkofer

> Bavarian opera singer, actor and director of the gasworks in Steyr (1827–1899)

**Wikidata**: [Q55858694](https://www.wikidata.org/wiki/Q55858694)  
**Source**: https://4ort.xyz/entity/otto-pettenkofer


## References

1. Integrated Authority File
2. Geni.com
3. Catalog of the German National Library