# Johannes Balthasar Helvetius

> Philosophiae Doctor, Medicinae Doctor Universiteit Leiden 1677, 1678

**Wikidata**: [Q102315010](https://www.wikidata.org/wiki/Q102315010)  
**Source**: https://4ort.xyz/entity/johannes-balthasar-helvetius


## References

1. Mathematics Genealogy Project
2. KB, nationale bibliotheek
3. Virtual International Authority File