a person in the record
Vasily Severgin
Russian mineralogist1765 to 1826
Wikidata names Ivan Lepyokhin and Johann Friedrich Gmelin as doctoral advisors and names Johann Friedrich Gmelin as teacher. Linked to Wikidata, Wikipedia, and 3 other registers.

How to read the markscited by a repository's recordstated by Wikidata or indexed by OpenAlexclaimed on an ORCID list, or inferred
Advisors on Wikidata2
From Wikidata, shown separately from the thesis records.
- stated by Wikidata
- stated by Wikidata
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.
- a teacher or mentor, stated by Wikidata: not a thesis supervision
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.
- 1 step up
stated by WikidataIvan Lepyokhinstated by WikidataJohann Friedrich Gmelin
- 2 steps up
stated by WikidataFerdinand Christoph Oetingerstated by WikidataPhilipp Friedrich Gmelin
- 3 steps up
stated by WikidataBurchard Mauchart
- 4 steps up
stated by WikidataElias Rudolph Camerarius, Jr.
Education and career2
From Wikidata, shown separately from the thesis records. Each place opens its Wikidata item.
- undated
- undatedstudied