a person in the record
Dirk Jan Struik
Dutch mathematician (*1894 – †2000)1894 to 2000
Wikidata names Jan Arnoldus Schouten and Willem van der Woude as doctoral advisors, lists 12 doctoral students, and names Paul Ehrenfest as teacher. Linked to Wikidata, Mathematics Genealogy Project, and 5 other registers.

How to read the markscited by a repository's recordstated by Wikidata or indexed by OpenAlexclaimed on an ORCID list, or inferred
Advisors on Wikidata2
From Wikidata, shown separately from the thesis records.
- stated by Wikidata
- stated by Wikidata
Students on Wikidata12
From Wikidata, shown separately from the thesis records.
- stated by Wikidataborn 1913
- stated by Wikidataborn 1915
- stated by Wikidataborn 1920
- stated by Wikidataborn 1938
- stated by Wikidataborn 1944
- stated by Wikidata
- stated by Wikidata
- stated by Wikidata
- stated by Wikidata
- stated by Wikidata
- stated by Wikidata
- stated by Wikidata
Teachers and mentors1
Wikidata's "student of" and "student" statements: a line of training beside the lineage, never a thesis supervision and never counted with one.
- a teacher or mentor, stated by Wikidata: not a thesis supervision
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 WikidataJan Arnoldus Schoutenstated by WikidataWillem van der Woude
- 2 steps up
stated by WikidataJacob Cardinaalstated by WikidataPieter Hendrik Schoute
- 3 steps up
stated by WikidataDavid Bierens de Haanstated by WikidataJan de Vries
- 4 steps up
stated by WikidataAdrianus Jacobus van Peschstated by WikidataGideon Jan Verdam
Below them, within 3 steps, the record reaches 123 people: 123 stated by Wikidata.
Theses
- stated by Wikidata
Grundzüge der Mehrdimensionalen Differentialgeometrie: In Direkter Darstellung
doctoral thesis, stated by Wikidata
Education and career7
From Wikidata, shown separately from the thesis records. Each place opens its Wikidata item.
- 1912 to 1917studied
- 1917 to 1924
- 1923 to 1924worked
- 1924 to 1925studied
- 1925 to 1926studied
- 1926 to 1960
- 1963 to 1964worked