a person in the record
Adriaan Daniel Fokker
Dutch physicist1887 to 1972
Wikidata names Hendrik Lorentz as doctoral advisor and lists 1 doctoral student. Linked to Wikidata, Mathematics Genealogy Project, and 6 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 1904
The line above and below3 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 Lorentz
- 2 steps up
stated by WikidataPieter Rijke
- 3 steps up
stated by WikidataPieter Johannes Uylenbroek
Below them, within 3 steps, the record reaches 1 person: 1 stated by Wikidata.
Education and career6
From Wikidata, shown separately from the thesis records. Each place opens its Wikidata item.
- 1923 to 1927
- 1928 to 1955worked
- 1928 to 1955worked
- undatedstudied
- undated
- undatedworked