a person in the record
Herman Johannes de Boer
Ph.D. Rijksuniversiteit Groningen 1936
Wikidata names Frits Zernike as doctoral advisor. Linked to Wikidata and Mathematics Genealogy Project.
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
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 WikidataFrits Zernike
- 2 steps up
stated by WikidataAndreas Smits
- 3 steps up
stated by WikidataHendrik Willem Bakhuis Roozeboom
- 4 steps up
stated by WikidataJacob Maarten van Bemmelen
Education and career1
From Wikidata, shown separately from the thesis records. Each place opens its Wikidata item.
- undatedstudied