a person in the record
Anthoni Cornelis Phaff
Doctoral advisors on Wikidata: Willem Jacob Marinus de Jonge and Willem van Haeringen.
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-20261014T220004Z