a person in the record
Ricardo San Juan Llosá
Spanish mathematician1908 to 1969
Wikidata names Julio Rey Pastor as doctoral advisor, lists 3 doctoral students, names Ventura de los Reyes Prósper as teacher, and lists 1 person they taught. Linked to Wikidata, Mathematics Genealogy Project, and 3 other registers.

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
Students on Wikidata3
From Wikidata, shown separately from the thesis records.
- stated by Wikidataborn 1919
- stated by Wikidataborn 1928
- stated by Wikidata
Teachers and mentors1
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 supervision
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 1922
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 WikidataJulio Rey Pastor
- 2 steps up
stated by WikidataEduardo Torroja Caballestated by WikidataFelix Klein
- 3 steps up
stated by WikidataJulius Plückerstated by WikidataKarl Georg Christian von Staudtstated by WikidataRudolf Lipschitz
- 4 steps up
stated by WikidataCarl Friedrich Gaussstated by WikidataChristian Ludwig Gerlingstated by WikidataJohann Peter Gustav Lejeune Dirichletstated by WikidataMartin Ohm
Below them, within 3 steps, the record reaches 153 people: 153 stated by Wikidata.
Education and career1
From Wikidata, shown separately from the thesis records. Each place opens its Wikidata item.
- undated