Academic Ancestry

a person in the record

Klaus Fredenhagen

German physicistborn 1947

Supervised 1 doctoral student at Universität Hamburg; Wikidata names Gert Roepstorff and Rudolf Haag as doctoral advisors and lists 30 doctoral students. Linked to Wikidata, ORCID, and 7 other registers.

Open the full sheetCiteData
Klaus Fredenhagen, 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

Students1

Advisors on Wikidata2

From Wikidata, shown separately from the thesis records.

Students on Wikidata30

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 45 people: 1 cited by thesis records, 44 stated by Wikidata.

Education and career2

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