a person in the record
Donald V. Helmberger
American seismologist1938 to 2020
Wikidata names Russell Watson Raitt as doctoral advisor and lists 1 doctoral student. Linked to Wikidata, Mathematics Genealogy Project, and 4 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 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 WikidataRussell Watson Raitt
- 2 steps up
stated by WikidataRobert Andrews Millikan
- 3 steps up
stated by WikidataAlbert Abraham Michelsonstated by WikidataOgden Rood
- 4 steps up
stated by WikidataHermann von Helmholtz
Below them, within 3 steps, the record reaches 2 people: 2 stated by Wikidata.
Education and career4
From Wikidata, shown separately from the thesis records. Each place opens its Wikidata item.
- until 1961studied
- until 1965
- until 1967
- undated