a person in the record
Bernd Karstens
Doctoral advisors on Wikidata: Herbert Schreiter, Karl-Heinz Kutschke, and Siegfried Köhli.
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