Constant Joan Jacobus Ninck Blok: advisors and students

Academic Ancestry

a person in the record

Constant Joan Jacobus Ninck Blok

Ph.D. Universiteit Leiden 1876

Wikidata names David Bierens de Haan as doctoral advisor. Linked to Wikidata and Mathematics Genealogy Project.

Two steps up and one down. Dashed lines come from thesis records, solid lines from Wikidata. The full sheet opens at four up and two down.

How to read the markscited by a repository's recordstated by Wikidata or indexed by OpenAlexclaimed on an ORCID list, or inferred

Advisors on Wikidata1

From Wikidata, shown separately from the thesis records.

stated by Wikidata
David Bierens de Haan

The line above and below4 steps

The advisors of their advisors, four steps up at most, in the thesis records and on Wikidata, each kind marked; a person in both is listed once.

1 step up
stated by WikidataDavid Bierens de Haan
2 steps up
stated by WikidataGideon Jan Verdam
3 steps up
stated by WikidataJacob de Gelderstated by WikidataSimon Speijert van der Eijk
4 steps up
stated by WikidataJean Henri van Swinden

Education and career1

From Wikidata, shown separately from the thesis records. Each place opens its Wikidata item.

undated
Leiden University
studied

Elsewhere2

identity

stated by WikidataWikidataQ102363232

lineage

stated by WikidataMathematics Genealogy Project144745

Registers and profiles the record links this person to, each saying where the link was read.

Cite this page

Read on 27 October 2026. A citation names the day the record was read, not a version.

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bibtex

@misc{academicancestry_Q102363232,
  author = {{Academic Ancestry}},
  title = {{Constant Joan Jacobus Ninck Blok: advisors and students}},
  year = {2026},
  url = {https://academicancestry.org/person/Q102363232},
  note = {read on 2026-10-27}
}

apa

Academic Ancestry. (2026, October 27). Constant Joan Jacobus Ninck Blok: Advisors and students [Read on 2026-10-27]. https://academicancestry.org/person/Q102363232