a person in the record
Alexander Presnyakov
Russian historian1870 to 1929
Wikidata names Sergey Platonov as doctoral advisor, lists 4 doctoral students, names Alexander Lappo-Danilevsky and Sergey Platonov as teachers, and lists 3 people they taught. Linked to Wikidata, Wikipedia, and 4 other registers.

How to read the marksstated by Wikidata or indexed by OpenAlex
Advisors on Wikidata1
From Wikidata, shown separately from the thesis records.
- stated by Wikidata
Students on Wikidata4
From Wikidata, shown separately from the thesis records.
- stated by Wikidataborn 1887
- stated by Wikidataborn 1889
- stated by Wikidataborn 1891
- stated by Wikidataborn 1908
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.
- a teacher or mentor, stated by Wikidata: not a thesis supervision
- a teacher or mentor, stated by Wikidata: not a thesis supervision
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 supervisionborn 1887
- a teacher or mentor, stated by Wikidata: not a thesis supervisionborn 1887
- a teacher or mentor, stated by Wikidata: not a thesis supervisionborn 1889
The line above and below3 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.
- 1 step up
stated by WikidataSergey Platonov
- 2 steps up
stated by WikidataAleksandr Gradovskystated by WikidataKonstantin Bestuzhev-Ryuminstated by WikidataV. Sergeevichstated by WikidataVasily Vasilievsky
- 3 steps up
stated by WikidataMikhail Stasyulevich
Below them, within 3 steps, the record reaches 37 people: 37 stated by Wikidata.
Education and career3
From Wikidata, shown separately from the thesis records. Each place opens its Wikidata item.
- undated
- undated
- undated