a person in the record
J. Allen Hynek
American astronomer1910 to 1986
Supervised 1 doctoral student at The Ohio State University; Wikidata names Otto Struve and William Wilson Morgan as doctoral advisors and lists 1 doctoral student. Linked to Wikidata, Wikipedia, and 4 other registers.

How to read the markscited by a repository's recordstated by Wikidata or indexed by OpenAlexclaimed on an ORCID list, or inferred
Students1
- cited by a thesis record1955 · The Ohio State University · doctoral
Advisors on Wikidata2
From Wikidata, shown separately from the thesis records.
- stated by Wikidata
- stated by Wikidata
Students on Wikidata1
From Wikidata, shown separately from the thesis records.
- stated by Wikidataborn 1939
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 WikidataOtto Struvestated by WikidataWilliam Wilson Morgan
Below them, within 3 steps, the record reaches 2 people: 1 cited by thesis records, 1 stated by Wikidata.
Education and career10
From Wikidata, shown separately from the thesis records. Each place opens its Wikidata item.
- undatedstudied
- undatedstudied
- undated
- undatedworked
- undatedworked
- undatedworked
- undatedworked
- undatedworked
- undatedworked
- undatedworked