a person in the record
Gavriil Tanfilyev
Russian geographer and botanist1857 to 1928
Wikidata names Andrey Beketov as doctoral advisor, lists 1 doctoral student, names Andrey Beketov and Vasili Dokuchayev as teachers, and lists 1 person 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 Wikidata1
From Wikidata, shown separately from the thesis records.
- stated by Wikidataborn 1888
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
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 supervisionborn 1885
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.
- 1 step up
stated by WikidataAndrey Beketov
Below them, within 3 steps, the record reaches 2 people: 2 stated by Wikidata.
Education and career6
From Wikidata, shown separately from the thesis records. Each place opens its Wikidata item.
- until 1883
- 1894 to 1904
- 1895 to 1904
- 1918 to 1928
- 1923 to 1928worked
- undatedstudied