a person in the record
Ralph Robert Sabella
Ph.D. University of California, Los Angeles 1969born 1934
Wikidata names Robert Sorgenfrey as doctoral advisor. Linked to Wikidata and Mathematics Genealogy Project.
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
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 WikidataRobert Sorgenfrey
- 2 steps up
stated by WikidataR. L. Moore
- 3 steps up
stated by WikidataEliakim Hastings Moorestated by WikidataOswald Veblen
- 4 steps up
stated by WikidataHubert Anson Newton
Education and career4
From Wikidata, shown separately from the thesis records. Each place opens its Wikidata item.
- from 1963
- undated
- undatedstudied
- undatedstudied