a person in the record
J. Gerritsma
3 doctoral students on Wikidata.
Students on Wikidata3
Wikidata's own statements of who supervised whom, kept apart from the record's theses and never counted with them.
- Eduard van den Polborn 1934
- J.A. Pinksterborn 1941
- Gerardus van Oortmerssen
Wikidata run graph-wikidata-20261014T220004Z