a person in the record
Ian Stewart
Also known as Ian Nicholas Stewart (OpenAlex)
Mathematician and authorborn 1945
Wikidata names Brian Hartley as doctoral advisor and lists 29 doctoral students. Linked to Wikidata, ORCID, and 8 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 Wikidata29
From Wikidata, shown separately from the thesis records.
- stated by Wikidataborn 1947
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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 WikidataBrian Hartley
- 2 steps up
stated by WikidataPhilip Hall
- 3 steps up
stated by WikidataKarl Pearson
- 4 steps up
stated by WikidataFrancis Galton
Below them, within 3 steps, the record reaches 75 people: 75 stated by Wikidata.
Education and career5
From Wikidata, shown separately from the thesis records. Each place opens its Wikidata item.
- undatedstudied
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