# Johannes Haantjes

> Dutch mathematician (1909-1956)

**Wikidata**: [Q15821448](https://www.wikidata.org/wiki/Q15821448)  
**Source**: https://4ort.xyz/entity/johannes-haantjes


## References

1. MacTutor History of Mathematics archive
2. Leidse Hoogleraren
3. [BillionGraves](https://billiongraves.com/grave/Hanneke-Haantjes/12293178)
4. Mathematics Genealogy Project
5. Virtual International Authority File
6. Johannes Haantjes. Biografisch Portaal
7. KNAW Past Members
8. [Source](https://www.geheugenvandevu.nl/hoofdmenu/personen/haantjes-j)