# Izak Willem van Spiegel

> Dutch mathematician (1922–2005)

**Wikidata**: [Q1914837](https://www.wikidata.org/wiki/Q1914837)  
**Source**: https://4ort.xyz/entity/izak-willem-van-spiegel


## References

1. dataset Library TU Delft
2. Mathematics Genealogy Project
3. [Mathematics Genealogy Project](https://genealogy.math.ndsu.nodak.edu/id.php?id=115881)
4. Virtual International Authority File