Academic Ancestry

a person in the record

Herman Haga

Dutch physicist1852 to 1936

Wikidata names Pieter Rijke as doctoral advisor and lists 9 doctoral students. Linked to Wikidata, Mathematics Genealogy Project, and 5 other registers.

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Herman Haga, pictured

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 Wikidata9

From Wikidata, shown separately from the thesis records.

The line above and below2 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 10 people: 10 stated by Wikidata.

Education and career4

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