a person in the record
Gertrudis Kempen
Doctoral advisors on Wikidata: Wilhelmus Jacobus Antonius van den Heuvel and Wouter Molenaar.
Advisors on Wikidata
Wikidata's own statements of who supervised whom, kept apart from the record's theses and never counted with them.
Wikidata run graph-wikidata-20261008T220003Z