# Karl Matter

> Ph.D. Universität Zürich 1900

**Wikidata**: [Q102159116](https://www.wikidata.org/wiki/Q102159116)  
**Source**: https://4ort.xyz/entity/karl-matter-q102159116


## References

1. Integrated Authority File
2. Aargauer Bibliografie
3. Mathematics Genealogy Project
4. Historical Dictionary of Switzerland
5. Virtual International Authority File