# Peter Kretschmar

> German physicist and astronomer

**Wikidata**: [Q58365955](https://www.wikidata.org/wiki/Q58365955)  
**Source**: https://4ort.xyz/entity/peter-kretschmar


## References

1. Integrated Authority File
2. [Source](http://orcid.org/0000-0001-9840-2048)
3. Virtual International Authority File
4. [ORCID Public Data File 2020](https://pub.orcid.org/v3.0_rc1/0000-0001-9840-2048/external-identifiers/1670014)