Academic Ancestry

a person in the record

Hendricus Ludwig Claasen

Ph.D. Universiteit Utrecht 1976born 1937

Wikidata names Fred van der Blij as doctoral advisor. 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.

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.

Education and career1

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