Academic Ancestry

a person in the record

Johan Antony Barrau

Dutch mathematician1873 to 1953

Wikidata names Diederik Korteweg as doctoral advisor, lists 13 doctoral students, and lists 3 people they taught. Linked to Wikidata, Mathematics Genealogy Project, and 4 other registers.

Open the full sheetCiteData
Johan Antony Barrau, pictured

Two steps up and one down. Dashed lines come from thesis records, solid lines from Wikidata. The full sheet opens at four up and two down.

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.

Students on Wikidata13

From Wikidata, shown separately from the thesis records.

Taught3

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

    Jan Hendrik Oort

    born 1900
  • a teacher or mentor, stated by Wikidata: not a thesis supervision

    Oene Bottema

    born 1901
  • a teacher or mentor, stated by Wikidata: not a thesis supervision

    Jan Popken

    born 1905

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.

Below them, within 3 steps, the record reaches 13 people: 13 stated by Wikidata.

Theses

Education and career6

From Wikidata, shown separately from the thesis records. Each place opens its Wikidata item.