Academic Ancestry

a person in the record

Nikolai Mashkin

Soviet historian1900 to 1950

Wikidata names Pyotr Preobrazhensky as doctoral advisor, lists 4 doctoral students, and lists 3 people they taught. Linked to Wikidata, Wikipedia, and 4 other registers.

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 Wikidata1

From Wikidata, shown separately from the thesis records.

Students on Wikidata4

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

    Tatyana Blavatskaya

    born 1917
  • a teacher or mentor, stated by Wikidata: not a thesis supervision

    Yelena Golubtsova

    born 1921
  • a teacher or mentor, stated by Wikidata: not a thesis supervision

    Iya Mayak

    born 1922

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 7 people: 7 stated by Wikidata.

Education and career2

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