a person in the record
Oskar Skibski
Doctoral advisors on Wikidata: Andrzej Szalas and Tomasz Pawel Michalak.
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-20261008T172418Z