# Karl Johan Donner

> astronomer

**Wikidata**: [Q106729727](https://www.wikidata.org/wiki/Q106729727)  
**Source**: https://4ort.xyz/entity/karl-johan-donner


## References

1. Czech National Authority Database
2. Virtual International Authority File
3. CiNii Research
4. KANTO
5. University of Helsinki Research Portal
6. [Source](https://nl.go.kr/authorities/resource/KAC200813504)