Academic Ancestry

a person in the record

Hans-Joachim Arnold

German mathematician1932 to 2006

Wikidata names Emanuel Sperner and Erich Kähler as doctoral advisors and lists 18 doctoral students. Linked to Wikidata, Mathematics Genealogy Project, and 4 other registers.

Open the full sheetCiteData
Hans-Joachim Arnold, pictured

Two steps up and one down. Dashed lines come from thesis records, solid lines from Wikidata. The full sheet opens at four up and two down.

How to read the markscited by a repository's recordstated by Wikidata or indexed by OpenAlexclaimed on an ORCID list, or inferred

Advisors on Wikidata2

From Wikidata, shown separately from the thesis records.

Students on Wikidata18

From Wikidata, shown separately from the thesis records.

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.

Below them, within 3 steps, the record reaches 18 people: 18 stated by Wikidata.

Education and career1

From Wikidata, shown separately from the thesis records. Each place opens its Wikidata item.