# Otto Waack

> German university teacher

**Wikidata**: [Q23061319](https://www.wikidata.org/wiki/Q23061319)  
**Source**: https://4ort.xyz/entity/otto-waack


## References

1. Czech National Authority Database
2. Virtual International Authority File
3. [Source](https://kalliope-verbund.info/DE-611-BF-102996)
4. FactGrid