# Ulrich Hahn

> researcher

**Wikidata**: [Q54901245](https://www.wikidata.org/wiki/Q54901245)  
**Source**: https://4ort.xyz/entity/ulrich-hahn-q54901245


## References

1. Integrated Authority File
2. Virtual International Authority File
3. Hamburger Professorinnen- und Professorenkatalog
4. [ORCID Public Data File 2020](https://pub.orcid.org/v3.0_rc1/0000-0002-6526-0693/external-identifiers/75984)
5. FactGrid