Academic Ancestry

a person in the record

Ejnar Hertzsprung

Danish astronomer and chemist1873 to 1967

Wikidata names Hans E. Lau, Karl Schwarzschild, and Wilhelm Ostwald as doctoral advisors and lists 9 doctoral students. Linked to Wikidata, Mathematics Genealogy Project, and 6 other registers.

Open the full sheetCiteData
Ejnar Hertzsprung, 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 Wikidata3

From Wikidata, shown separately from the thesis records.

Students on Wikidata9

From Wikidata, shown separately from the thesis records.

Teachers and mentors2

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 25 people: 25 stated by Wikidata.

Education and career4

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