# Johann David Hahn

> German chemist, physicist, astronomer and botanist (1729-1784)

**Wikidata**: [Q1693200](https://www.wikidata.org/wiki/Q1693200)  
**Source**: https://4ort.xyz/entity/johann-david-hahn


## References

1. Catalogus Professorum Academiae Rheno-Traiectinae
2. Leidse Hoogleraren
3. Integrated Authority File
4. Mathematics Genealogy Project
5. International Standard Name Identifier
6. Virtual International Authority File
7. KNAW Past Members