# Gerard Bontius

> astronomer

**Wikidata**: [Q1510122](https://www.wikidata.org/wiki/Q1510122)  
**Source**: https://4ort.xyz/entity/gerard-bontius


## References

1. Leidse Hoogleraren
2. Integrated Authority File
3. Biografisch Portaal
4. Virtual International Authority File
5. CERL Thesaurus