Academic Ancestry

a person in the record

Pyotr Borisov

Russian geologist1878 to 1963

Wikidata names Alexander Alexandrovich Inostrantsev and Feodor Levinson-Lessing as doctoral advisors, names Pjotr Zemjatchenskij as teacher, and lists 1 person they taught. Linked to Wikidata and VIAF.

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 Wikidata2

From Wikidata, shown separately from the thesis records.

Teachers and mentors1

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

Taught1

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

    Aleksandr Polkanov

    born 1888

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 career2

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