Academic Ancestry

a person in the record

Hermann Schaeffer

German professor of mathematics, physics and astronomy at the University of Jena1824 to 1900

Wikidata names Karl Snell as doctoral advisor and names August Ferdinand Möbius, Jakob Steiner, Johann Peter Gustav Lejeune Dirichlet, and Moritz Wilhelm Drobisch as teachers. Linked to Wikidata, Mathematics Genealogy Project, and 2 other registers.

Open the full sheetCiteData
Hermann Schaeffer, 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.

Teachers and mentors4

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 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.

Education and career5

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