a person in the record
Peter R. den Boer
Doctoral advisors on Wikidata: Max van der Kamp and Wijnand Th. J. G. Hoeben.
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