# Jan Ketelaar

> Dutch chemist (1908-2001)

**Wikidata**: [Q2760858](https://www.wikidata.org/wiki/Q2760858)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Jan_Ketelaar)  
**Source**: https://4ort.xyz/entity/jan-ketelaar


## References

1. Album Academicum
2. Leidse Hoogleraren
3. Mathematics Genealogy Project
4. Virtual International Authority File
5. [Source](https://viaf.org/viaf/data/viaf-20230206-links.txt.gz)
6. Biografisch Portaal
7. KNAW Past Members
8. National Library of Israel Names and Subjects Authority File