a person in the record
Stephan Joseph Theodor Berendonk
Doctoral advisors on Wikidata: Andreas Büchter and Rainer Helmut Kaenders.
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