a person in the record
Anastas Ishirkov
Bulgarian scientist1868 to 1937
Wikidata names Friedrich Ratzel as doctoral advisor and lists 1 doctoral student. Linked to Wikidata, Wikipedia, 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 Wikidataborn 1904
Teachers and mentors5
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
- a teacher or mentor, stated by Wikidata: not a thesis supervision
- a teacher or mentor, stated by Wikidata: not a thesis supervision
- a teacher or mentor, stated by Wikidata: not a thesis supervision
- a teacher or mentor, stated by Wikidata: not a thesis supervision
Taught17
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 supervisionborn 1869
- a teacher or mentor, stated by Wikidata: not a thesis supervisionborn 1874
- a teacher or mentor, stated by Wikidata: not a thesis supervisionborn 1875
- a teacher or mentor, stated by Wikidata: not a thesis supervisionborn 1875
- a teacher or mentor, stated by Wikidata: not a thesis supervisionborn 1877
- a teacher or mentor, stated by Wikidata: not a thesis supervisionborn 1878
- a teacher or mentor, stated by Wikidata: not a thesis supervisionborn 1882
- a teacher or mentor, stated by Wikidata: not a thesis supervisionborn 1889
- a teacher or mentor, stated by Wikidata: not a thesis supervisionborn 1891
- a teacher or mentor, stated by Wikidata: not a thesis supervisionborn 1896
- a teacher or mentor, stated by Wikidata: not a thesis supervisionborn 1902
- a teacher or mentor, stated by Wikidata: not a thesis supervisionborn 1904
- a teacher or mentor, stated by Wikidata: not a thesis supervisionborn 1908
- a teacher or mentor, stated by Wikidata: not a thesis supervisionborn 1909
- a teacher or mentor, stated by Wikidata: not a thesis supervisionborn 1911
- a teacher or mentor, stated by Wikidata: not a thesis supervisionborn 1912
- a teacher or mentor, stated by Wikidata: not a thesis supervisionborn 1913
The line above and below2 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 WikidataFriedrich Ratzel
- 2 steps up
stated by WikidataAlexander Pagenstecher
Below them, within 3 steps, the record reaches 1 person: 1 stated by Wikidata.
Education and career5
From Wikidata, shown separately from the thesis records. Each place opens its Wikidata item.
- 1888 to 1891studied
- 1892 to 1894studied
- 1896 to 1897
- undatedstudied
- undatedworked