# Hans Ludendorff

> astronomer and astrophysicist from Germany

**Wikidata**: [Q31259](https://www.wikidata.org/wiki/Q31259)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Hans_Ludendorff)  
**Source**: https://4ort.xyz/entity/hans-ludendorff


## References

1. Integrated Authority File
2. Czech National Authority Database
3. International Standard Name Identifier
4. Virtual International Authority File
5. SNAC
6. BnF authorities
7. Freebase Data Dumps. 2013
8. IdRef