# Frank Ruddigkeit

> German painter (1939–2025)

**Wikidata**: [Q1321139](https://www.wikidata.org/wiki/Q1321139)  
**Source**: https://4ort.xyz/entity/frank-ruddigkeit


## References

1. Virtual International Authority File
2. ADAGP/CISAC membership list at 07/01/2019
3. International Standard Name Identifier
4. Integrated Authority File
5. The Fine Art Archive
6. MAK
7. CONOR.SI
8. DACS register
9. ADAGP directory