Academic Ancestry

a person in the record

Waldemar Petersen

German entrepreneur1880 to 1946

Wikidata names Erasmus Kittler as doctoral advisor, lists 1 doctoral student, and lists 1 person they taught. Linked to Wikidata, Mathematics Genealogy Project, and 4 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 Wikidata1

From Wikidata, shown separately from the thesis records.

Taught1

Wikidata's "student of" and "student" statements: a line of training beside the lineage, never a thesis supervision and never counted with one.

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 1 person: 1 stated by Wikidata.

Education and career2

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