# Heinrich Karstens

> Baltic German mathematician (1874-1905)

**Wikidata**: [Q14465865](https://www.wikidata.org/wiki/Q14465865)  
**Source**: https://4ort.xyz/entity/heinrich-karstens


## References

1. Catalog of the German National Library
2. [death notice](https://commons.wikimedia.org/wiki/File:Karstens_Heinrich_Todesanzeige_math_gesell.jpg)
3. Mathematics Genealogy Project
4. [Source](https://commons.wikimedia.org/wiki/File:Karstens_Heinrich_Todesanzeige_math_gesell.jpg)