Academic Ancestry

a person in the record

Gerard Jan Leppink

Dutch mathematician1928 to 2018

Wikidata names Hans Freudenthal as doctoral advisor and lists 4 doctoral students. Linked to Wikidata, Mathematics Genealogy Project, and 3 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.

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 19 people: 19 stated by Wikidata.

Education and career4

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