a person in the record
Eduardo D. Sontag
Argentina-born American mathematicianborn 1951
Wikidata names Rudolf E. Kálmán as doctoral advisor and lists 15 doctoral students. Linked to Wikidata, ORCID, and 6 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 Wikidata15
From Wikidata, shown separately from the thesis records.
- stated by Wikidataborn 1964
- stated by Wikidata
- stated by Wikidata
- stated by Wikidata
- stated by Wikidata
- stated by Wikidata
- stated by Wikidata
- stated by Wikidata
- stated by Wikidata
- stated by Wikidata
- stated by Wikidata
- stated by Wikidata
- stated by Wikidata
- stated by Wikidata
- 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 WikidataRudolf E. Kálmán
- 2 steps up
stated by WikidataJohn R. Ragazzini
- 3 steps up
stated by WikidataJohn B. Russell, Jr.
- 4 steps up
stated by WikidataLawrence Baker Arguimbaustated by WikidataVannevar Bush
Below them, within 3 steps, the record reaches 20 people: 20 stated by Wikidata.
Education and career4
From Wikidata, shown separately from the thesis records. Each place opens its Wikidata item.
- 1972 to 1977studied
- 1977 to 2017
- from 2018worked
- undatedstudied