# Friedrich Haack

> German photographer (1841–1915)

**Wikidata**: [Q94896725](https://www.wikidata.org/wiki/Q94896725)  
**Source**: https://4ort.xyz/entity/friedrich-haack-q94896725


## References

1. Integrated Authority File
2. Catalog of the German National Library
3. Biographies of the Entomologists of the World
4. [Source](https://ksj.jena.de/fm/41/Ehrengr%C3%A4ber%202015%20A09.pdf)