a person in the record
Yang Liu
Botanistborn 1978
Wikidata names Jean-Pierre Ponssard as doctoral advisor. Linked to Wikidata, VIAF, and IdRef.
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 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 WikidataJean-Pierre Ponssard
- 2 steps up
stated by WikidataRobert B. Wilson
- 3 steps up
stated by WikidataHoward Raiffa
- 4 steps up
stated by WikidataArthur Herbert Copeland