a person in the record
Isaac Barrow
English Christian theologian, and mathematician1630 to 1677
Wikidata names Gilles de Roberval and Vincenzo Viviani as doctoral advisors, lists 1 doctoral student, and lists 1 person they taught. Linked to Wikidata, Mathematics Genealogy Project, and 5 other registers.

How to read the marksstated by Wikidata or indexed by OpenAlex
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 1642
Taught1
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 1642
The line above and below3 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 WikidataGilles de Robervalstated by WikidataVincenzo Viviani
- 2 steps up
stated by WikidataEvangelista Torricellistated by WikidataGalileo Galileistated by WikidataMarin Mersenne
- 3 steps up
stated by WikidataBenedetto Castellistated by WikidataOstilio Ricci
Below them, within 3 steps, the record reaches 1 person: 1 stated by Wikidata.
Education and career6
From Wikidata, shown separately from the thesis records. Each place opens its Wikidata item.
- 1640 to 1643studied
- until 1640studied
- 1646 to 1649studied
- 1649 to 1652studied
- 1659 to 1669worked
- 1662 to 1664worked