a person in the record
Max Abraham
German physicist1875 to 1922
Wikidata names Max Planck as doctoral advisor and names Max Planck as teacher. Linked to Wikidata, Mathematics Genealogy Project, and 5 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
Teachers and mentors1
Wikidata's "student of" and "student" statements: a line of training beside the lineage, never a thesis supervision and never counted with one.
- a teacher or mentor, stated by Wikidata: not a thesis supervision
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 WikidataMax Planck
- 2 steps up
stated by WikidataAlexander von Brill
- 3 steps up
stated by WikidataAlfred Clebsch
- 4 steps up
stated by WikidataFranz Ernst Neumann
Education and career6
From Wikidata, shown separately from the thesis records. Each place opens its Wikidata item.
- 1900 to 1909worked
- 1909 to 1909
- 1910 to 1915
- from 1915worked
- until 1922worked
- undated