a person in the record
Walter O. Portman
Ph.D. Case Western Reserve University 1957
Wikidata names Robert F. Rinehart 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 F. Rinehart
- 2 steps up
stated by WikidataCyrus Colton MacDuffee
- 3 steps up
stated by WikidataLeonard Eugene Dickson
- 4 steps up
stated by WikidataEliakim Hastings Moore
Education and career1
From Wikidata, shown separately from the thesis records. Each place opens its Wikidata item.
- undated