a person in the record
Karl Menger
Austrian mathematician1902 to 1985
Wikidata names Hans Hahn as doctoral advisor and lists 18 doctoral students. Linked to Wikidata, Mathematics Genealogy Project, 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 Wikidata18
From Wikidata, shown separately from the thesis records.
- stated by Wikidataborn 1902
- stated by Wikidataborn 1904
- stated by Wikidataborn 1906
- stated by Wikidataborn 1907
- stated by Wikidataborn 1907
- stated by Wikidataborn 1910
- stated by Wikidataborn 1929
- stated by Wikidataborn 1930
- stated by Wikidataborn 1934
- 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 WikidataHans Hahn
- 2 steps up
stated by WikidataGustav von Escherich
- 3 steps up
stated by WikidataCarl Friesachstated by WikidataJohannes Frischauf
- 4 steps up
stated by WikidataFranz Mothstated by WikidataJoseph Petzval
Below them, within 3 steps, the record reaches 252 people: 252 stated by Wikidata.
Theses
- stated by Wikidatadoctoral thesis, stated by Wikidata
Education and career8
From Wikidata, shown separately from the thesis records. Each place opens its Wikidata item.
- 1913 to 1920studied
- 1920 to 1924studied
- 1925 to 1927worked
- 1927 to 1937worked
- 1930 to 1931worked
- 1930 to 1931worked
- 1937 to 1948worked
- 1948 to 1971