a person in the record
Zbigniew Ryszard Bogdanowicz
Doctoral advisors on Wikidata: Francis Theodore Boesch and Richard Van Slyke.
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