a person in the record
Herman Frijda
Dutch economist1887 to 1944
Wikidata names Hendrik Barend Greven as doctoral advisor and lists 1 doctoral student. Linked to Wikidata, Mathematics Genealogy Project, and 3 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 Wikidata1
From Wikidata, shown separately from the thesis records.
- stated by Wikidataborn 1911
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 WikidataHendrik Barend Greven
- 2 steps up
stated by WikidataSimon Vissering
- 3 steps up
stated by WikidataCornelis Jacobus van Assen
- 4 steps up
stated by WikidataHendrik Willem Tydeman
Below them, within 3 steps, the record reaches 17 people: 17 stated by Wikidata.
Education and career3
From Wikidata, shown separately from the thesis records. Each place opens its Wikidata item.
- 1922 to 1941worked
- undatedstudied
- undatedworked