Academic Ancestry

a person in the record

Hans Zantema

Dutch mathematician and computer scientist1956 to 2025

Wikidata names Hendrik Lenstra as doctoral advisor, lists 4 doctoral students, and lists 2 people they taught. Linked to Wikidata, Google Scholar, and 7 other registers.

Open the full sheetCiteData

Two steps up and one down. Solid lines from Wikidata. The full sheet opens at four up and two down.

How to read the marksstated by Wikidata or indexed by OpenAlex

Advisors on Wikidata1

From Wikidata, shown separately from the thesis records.

Students on Wikidata4

From Wikidata, shown separately from the thesis records.

Taught2

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

    Thomas Arts

    born 1969
  • a teacher or mentor, stated by Wikidata: not a thesis supervision

    Matthias Raffelsieper

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 4 people: 4 stated by Wikidata.

Education and career4

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