Academic Ancestry

a person in the record

Friedrich Ratzel

German geographer and ethnographer1844 to 1904

Wikidata names Alexander Pagenstecher as doctoral advisor and lists 3 doctoral students. Linked to Wikidata, Mathematics Genealogy Project, and 6 other registers.

Friedrich Ratzel, pictured

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 Wikidata3

From Wikidata, shown separately from the thesis records.

Taught3

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

  • a teacher or mentor, stated by Wikidata: not a thesis supervision

    Franz Boas

    born 1858
  • a teacher or mentor, stated by Wikidata: not a thesis supervision

    Karl Weule

    born 1864
  • a teacher or mentor, stated by Wikidata: not a thesis supervision

The line above and below1 step

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 5 people: 5 stated by Wikidata.

Education and career3

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