# Willem Cornelis de Graaff

> Dutch university teacher

**Wikidata**: [Q63003406](https://www.wikidata.org/wiki/Q63003406)  
**Source**: https://4ort.xyz/entity/willem-cornelis-de-graaff


## References

1. Catalogus Professorum Academiae Rheno-Traiectinae
2. Leidse Hoogleraren