# Wilhelm Hartnack

> German geographer and university professor

**Wikidata**: [Q1312939](https://www.wikidata.org/wiki/Q1312939)  
**Source**: https://4ort.xyz/entity/wilhelm-hartnack


## References

1. Source
2. Integrated Authority File
3. International Standard Name Identifier
4. Q107642470
5. Virtual International Authority File