a person in the record
Dirk van Dalen
Dutch mathematicianborn 1932
Wikidata names Arend Heyting as doctoral advisor and lists 22 doctoral students. 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 Wikidata1
From Wikidata, shown separately from the thesis records.
- stated by Wikidata
Students on Wikidata22
From Wikidata, shown separately from the thesis records.
- stated by Wikidataborn 1935
- stated by Wikidataborn 1945
- stated by Wikidataborn 1946
- stated by Wikidataborn 1947
- stated by Wikidataborn 1950
- stated by Wikidataborn 1951
- stated by Wikidataborn 1951
- stated by Wikidataborn 1955
- stated by Wikidataborn 1956
- stated by Wikidataborn 1956
- stated by Wikidataborn 1957
- stated by Wikidataborn 1961
- stated by Wikidataborn 1967
- stated by Wikidataborn 1968
- stated by Wikidataborn 1973
- stated by Wikidata
- stated by Wikidata
- stated by Wikidata
- stated by Wikidata
- stated by Wikidata
- stated by Wikidata
- stated by Wikidata
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 WikidataArend Heyting
- 2 steps up
stated by WikidataLuitzen Egbertus Jan Brouwer
- 3 steps up
stated by WikidataDiederik Korteweg
- 4 steps up
stated by WikidataJohannes Diderik van der Waals
Below them, within 3 steps, the record reaches 363 people: 363 stated by Wikidata.
Education and career3
From Wikidata, shown separately from the thesis records. Each place opens its Wikidata item.
- undatedstudied
- undated
- undatedworked