a person in the record
Hein Duijf
Doctoral advisors on Wikidata: Allard Tamminga, Daniel Cohnitz, Jan Broersen, and John-Jules Ch Meyer.
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