a person in the record
Ivan Levchenko
Ukrainian entomologist1930 to 2012
Wikidata names Oleksandr Kryshtal as doctoral advisor. Linked to Wikidata.
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
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 WikidataOleksandr Kryshtal
Education and career2
From Wikidata, shown separately from the thesis records. Each place opens its Wikidata item.
- until 1956
- undated