# Karl Hackhofer

> (1904-1977)

**Wikidata**: [Q72928929](https://www.wikidata.org/wiki/Q72928929)  
**Source**: https://4ort.xyz/entity/karl-hackhofer


## References

1. Historical Dictionary of Switzerland
2. Integrated Authority File
3. Catalog of the German National Library
4. [Source](https://zbcollections.ch/home/#/content/b9628f52d1974f0d9cb5a24c983cf66a)