a person in the record
Balthasar van der Pol
Dutch physicist1889 to 1959
Wikidata names Willem Julius as doctoral advisor and lists 2 doctoral students. Linked to Wikidata, Mathematics Genealogy Project, and 5 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 Wikidata2
From Wikidata, shown separately from the thesis records.
- stated by Wikidataborn 1905
- stated by Wikidataborn 1911
Teachers and mentors1
Wikidata's "student of" and "student" statements: a line of training beside the lineage, never a thesis supervision and never counted with one.
- a teacher or mentor, stated by Wikidata: not a thesis supervision
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 WikidataWillem Julius
- 2 steps up
stated by WikidataC. H. D. Buys Ballot
- 3 steps up
stated by WikidataRichard van Rees
- 4 steps up
stated by WikidataGerard Moll
Below them, within 3 steps, the record reaches 2 people: 2 stated by Wikidata.
Theses
- stated by Wikidata
Education and career6
From Wikidata, shown separately from the thesis records. Each place opens its Wikidata item.
- 1911 to 1916studied
- 1916 to 1917studied
- 1917 to 1919studied
- 1919 to 1922worked
- 1922 to 1949
- 1938 to 1948