# Rudolf Sicco Tjaden Modderman

> (1831-1924)

**Wikidata**: [Q74621931](https://www.wikidata.org/wiki/Q74621931)  
**Source**: https://4ort.xyz/entity/rudolf-sicco-tjaden-modderman


## References

1. Catalogus Professorum Academiae Groninganae
2. Genealogics
3. Mathematics Genealogy Project
4. Virtual International Authority File