a person in the record

Hans Johnen

Doctoral advisors on Wikidata: Heinz Schöneborn and Paul Butzer; 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.

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