a person in the record
Egbert Adriaan Kreiken
Dutch astronomer1896 to 1964
Wikidata names Pieter Johannes van Rhijn as doctoral advisor and lists 1 doctoral student. Linked to Wikidata.
How to read the markscited by a repository's recordstated by Wikidata or indexed by OpenAlexclaimed on an ORCID list, or inferred
Advisors on Wikidata
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 1926
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 WikidataPieter Johannes van Rhijn
- 2 steps up
stated by WikidataJacobus Kapteyn
- 3 steps up
stated by WikidataCornelius Hubertus Carolus Grinwis
- 4 steps up
stated by WikidataRichard van Rees
Below them, within 3 steps, the record reaches 3 people: 3 stated by Wikidata.
Education and career1
From Wikidata, shown separately from the thesis records. Each place opens its Wikidata item.
- undatedstudied