# Ferdinand Maack

> German chess variant inventor (1861–1930)

**Wikidata**: [Q97823](https://www.wikidata.org/wiki/Q97823)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Ferdinand_Maack)  
**Source**: https://4ort.xyz/entity/ferdinand-maack


## References

1. Integrated Authority File
2. International Standard Name Identifier
3. NUKAT
4. Google Knowledge Graph
5. Virtual International Authority File