a person in the record
Bernard Nijboer
Dutch physicist and professor1915 to 1999
Wikidata names Frits Zernike as doctoral advisor and lists 6 doctoral students. 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 Wikidata6
From Wikidata, shown separately from the thesis records.
- stated by Wikidataborn 1924
- stated by Wikidataborn 1931
- stated by Wikidataborn 1935
- stated by Wikidataborn 1940
- 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 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
Below them, within 3 steps, the record reaches 15 people: 15 stated by Wikidata.
Education and career2
From Wikidata, shown separately from the thesis records. Each place opens its Wikidata item.
- 1955 to 1984worked
- undatedstudied