Academic Ancestry

a person in the record

Philipp Kohnstamm

Dutch physicist, philosopher, and educator1875 to 1951

Wikidata names Johannes Diderik van der Waals as doctoral advisor and lists 6 doctoral students. Linked to Wikidata, Mathematics Genealogy Project, and 3 other registers.

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Philipp Kohnstamm, 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 Wikidata6

From Wikidata, shown separately from the thesis records.

The line above and below3 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 28 people: 28 stated by Wikidata.

Education and career7

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