# Franz Hack

> German teacher and mathematician (1870-1910)

**Wikidata**: [Q132767328](https://www.wikidata.org/wiki/Q132767328)  
**Source**: https://4ort.xyz/entity/franz-hack-q132767328


## References

1. Catalog of the German National Library
2. [Source](http://www.landesarchiv-bw.de/plink/?f=2-1634275)
3. IdRef
4. [Source](https://nrw.digibib.net/search/hbzvk/record/(DE-605)HT015760737)