# Karl A. Umlauf

> German mathematician and educator

**Wikidata**: [Q55673532](https://www.wikidata.org/wiki/Q55673532)  
**Source**: https://4ort.xyz/entity/karl-a-umlauf


## References

1. Integrated Authority File
2. Mathematics Genealogy Project
3. [Mathematics Genealogy Project](https://www.genealogy.math.ndsu.nodak.edu/id.php?id=129776)
4. [Source](https://kalliope-verbund.info/DE-611-BF-97119)
5. Virtual International Authority File
6. FactGrid