a person in the record
Johannes Maria Jozef van Leeuwen
Doctoral advisor on Wikidata: Jan de Boer; 1 doctoral student on Wikidata.
Advisors on Wikidata
Wikidata's own statements of who supervised whom, kept apart from the record's theses and never counted with them.
Students on Wikidata1
Wikidata's own statements of who supervised whom, kept apart from the record's theses and never counted with them.
Wikidata run graph-wikidata-20261008T172418Z