# Willem van Est

> Dutch mathematician (1921–2002)

**Wikidata**: [Q3901234](https://www.wikidata.org/wiki/Q3901234)  
**Source**: https://4ort.xyz/entity/willem-van-est


## References

1. Catalogus Professorum Academiae Rheno-Traiectinae
2. Album Academicum
3. Leidse Hoogleraren
4. Mathematics Genealogy Project
5. Journal officiel de la République française. 1987
6. Biografisch Portaal
7. KNAW Past Members
8. Virtual International Authority File