# Karl Küpfmüller

> German communication theorist (1897–1977)

**Wikidata**: [Q90586](https://www.wikidata.org/wiki/Q90586)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Karl_Küpfmüller)  
**Source**: https://4ort.xyz/entity/karl-k-pfm-ller


## References

1. Integrated Authority File
2. International Standard Name Identifier
3. Virtual International Authority File
4. CiNii Research
5. BnF authorities
6. CONOR.SI