a person in the record
Carl Sagan
American astrophysicist, cosmologist and author1934 to 1996
Wikidata names Gerard Kuiper as doctoral advisor, lists 4 doctoral students, and lists 4 people they taught. Linked to Wikidata, Mathematics Genealogy Project, and 5 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 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 1938
- stated by Wikidataborn 1943
- stated by Wikidataborn 1947
- stated by Wikidataborn 1957
Taught4
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 1938
- a teacher or mentor, stated by Wikidata: not a thesis supervisionborn 1955
- a teacher or mentor, stated by Wikidata: not a thesis supervisionborn 1957
- a teacher or mentor, stated by Wikidata: not a thesis supervisionborn 1958
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 WikidataGerard Kuiper
- 2 steps up
stated by WikidataEjnar Hertzsprung
- 3 steps up
stated by WikidataHans E. Laustated by WikidataKarl Schwarzschildstated by WikidataWilhelm Ostwald
- 4 steps up
stated by WikidataArthur von Oettingenstated by WikidataCarl Schmidtstated by WikidataHugo von Seeligerstated by WikidataThorvald N. Thiele
Below them, within 3 steps, the record reaches 4 people: 4 stated by Wikidata.
Education and career5
From Wikidata, shown separately from the thesis records. Each place opens its Wikidata item.
- until 1955studied
- until 1956studied
- until 1960studied
- undatedstudied
- undatedworked