Ernst Kossak
type: Person
description: German mathematician and professor
birth date: 1839-01-16
death date: 1892-01-21
birth place: Pravdinsk
death place: Berlin
nationality: Kingdom of Prussia
alumni of: Frederick William University Berlin
works for: Bauakademie
works for: Royal College for Vocational Studies
works for: Technische Hochschule Berlin
has occupation: mathematician
has occupation: university teacher
has occupation: dean
knows about: mathematics
knows about: mathematical analysis
knows about: algebra
knows about: analytic geometry
additional property: PropertyValue
  property ID: P18
  value: Das Fotoalbum für Weierstraß 026 (Ernst Kossak).jpg
additional property: PropertyValue
  property ID: P19
  value: Pravdinsk
additional property: PropertyValue
  property ID: P19
  value: Friedland
additional property: PropertyValue
  property ID: P20
  value: Berlin
additional property: PropertyValue
  property ID: P21
  value: male
additional property: PropertyValue
  property ID: P27
  value: Kingdom of Prussia
additional property: PropertyValue
  property ID: P31
  value: human
additional property: PropertyValue
  property ID: P69
  value: Frederick William University Berlin
additional property: PropertyValue
  property ID: P101
  value: mathematics
additional property: PropertyValue
  property ID: P101
  value: mathematical analysis
additional property: PropertyValue
  property ID: P101
  value: algebra
additional property: PropertyValue
  property ID: P106
  value: mathematician
additional property: PropertyValue
  property ID: P106
  value: university teacher
additional property: PropertyValue
  property ID: P106
  value: dean
additional property: PropertyValue
  property ID: P108
  value: Bauakademie
additional property: PropertyValue
  property ID: P108
  value: Royal College for Vocational Studies
additional property: PropertyValue
  property ID: P108
  value: Technische Hochschule Berlin
additional property: PropertyValue
  property ID: P213
  value: 0000000029009480
additional property: PropertyValue
  property ID: P214
  value: 45083979
additional property: PropertyValue
  property ID: P227
  value: 117576972
additional property: PropertyValue
  property ID: P269
  value: 176601856
additional property: PropertyValue
  property ID: P373
  value: Ernst Kossak (mathematician)
additional property: PropertyValue
  property ID: P569
  value: January 16, 1839
additional property: PropertyValue
  property ID: P570
  value: January 21, 1892
additional property: PropertyValue
  property ID: P570
  value: 1902
additional property: PropertyValue
  property ID: P691
  value: ntk20241235294
additional property: PropertyValue
  property ID: P734
  value: Kossak
additional property: PropertyValue
  property ID: P735
  value: Ernst
additional property: PropertyValue
  property ID: P735
  value: August
additional property: PropertyValue
  property ID: P735
  value: Martin
confidence:
  popularity graph score:
    score: 0.001
    score pct: 0
    tier: long_tail
    components:
      sitelinks: 0
      sitelinks norm: 0.0
      unique citations: 4
      unique citations norm: 0.002
      monthly pageviews: 0
      monthly pageviews norm: 0.0
  sitelinks: 0
  unique citations: 4
  monthly pageviews: 0
  yearly pageviews: 0
  tier: long_tail
claims:
  P18:
    value: Das Fotoalbum für Weierstraß 026 (Ernst Kossak).jpg
    source count: 0
    confidence: 0.0
  P19:
    value: Q183193
    source count: 1
    confidence: 0.2
    value label: Pravdinsk
  P19:
    value: Q671874
    source count: 1
    confidence: 0.2
    value label: Friedland
  P20:
    value: Q64
    source count: 1
    confidence: 0.2
    value label: Berlin
  P21:
    value: Q6581097
    source count: 1
    confidence: 0.2
    value label: male
  P27:
    value: Q27306
    source count: 0
    confidence: 0.0
    value label: Kingdom of Prussia
  P31:
    value: Q5
    source count: 0
    confidence: 0.0
    value label: human
  P69:
    value: Q20266330
    source count: 0
    confidence: 0.0
    value label: Frederick William University Berlin
    qualifiers:
      P580: +1865-00-00T00:00:00Z
      P582: +1867-00-00T00:00:00Z
  P101:
    value: Q395
    source count: 1
    confidence: 0.2
    value label: mathematics
  P101:
    value: Q7754
    source count: 1
    confidence: 0.2
    value label: mathematical analysis
  P101:
    value: Q3968
    source count: 1
    confidence: 0.2
    value label: algebra
  P101:
    value: Q134787
    source count: 1
    confidence: 0.2
    value label: analytic geometry
  P106:
    value: Q170790
    source count: 0
    confidence: 0.0
    value label: mathematician
  P106:
    value: Q1622272
    source count: 0
    confidence: 0.0
    value label: university teacher
  P106:
    value: Q723682
    source count: 1
    confidence: 0.2
    value label: dean

value: Q51984
source count: 0
confidence: 0.0
value label: Bauakademie

value: Q17403399
source count: 0
confidence: 0.0
value label: Royal College for Vocational Studies

value: Q17403358
source count: 0
confidence: 0.0
value label: Technische Hochschule Berlin

value: 0000000029009480
source count: 0
confidence: 0.0

value: 45083979
source count: 0
confidence: 0.0

value: 117576972
source count: 0
confidence: 0.0

value: 176601856
source count: 0
confidence: 0.0

value: Ernst Kossak (mathematician)
source count: 0
confidence: 0.0

value: +1839-01-16T00:00:00Z
source count: 1
confidence: 0.2

value: +1892-01-21T00:00:00Z
source count: 1
confidence: 0.2

value: +1902-00-00T00:00:00Z
source count: 1
confidence: 0.2

value: ntk20241235294
source count: 1
confidence: 0.2

value: Q21452242
source count: 0
confidence: 0.0
value label: Kossak

value: Q292691
source count: 0
confidence: 0.0
value label: Ernst

value: Q370731
source count: 0
confidence: 0.0
value label: August

value: Q18002399
source count: 0
confidence: 0.0
value label: Martin

value: Q64
source count: 1
confidence: 0.2
value label: Berlin

value: https://cp.tu-berlin.de/person/185
source count: 0
confidence: 0.0

value: n2012075558
source count: 0
confidence: 0.0

value: Q188
source count: 1
confidence: 0.2
value label: German

value: Q95738
source count: 0
confidence: 0.0
value label: Ernst Kossak

value: 185
source count: 0
confidence: 0.0

value: 117576972
source count: 0
confidence: 0.0

source count: 0
confidence: 0.0

retrieved: 2021-03-27

source: Czech National Authority Database
stated in qid: Q13550863
retrieved: 2024-08-25

source: Integrated Authority File
stated in qid: Q36578
retrieved: 2025-04-12

source: International Standard Name Identifier
stated in qid: Q423048

wikidata id: Q106232348
domain: human
level: standard
html url: https://4ort.xyz/entity/ernst-kossak-q106232348
markdown url: https://4ort.xyz/entity/ernst-kossak-q106232348.md
facts url summary: https://4ort.xyz/entity/ernst-kossak-q106232348/facts.json
facts url standard: https://4ort.xyz/entity/ernst-kossak-q106232348/facts.json
facts url full: https://4ort.xyz/entity/ernst-kossak-q106232348/facts.json
data source: Wikidata (CC0 / public domain)
license: https://creativecommons.org/publicdomain/zero/1.0/
api version: v1
served at: 2026-08-02T17:53:59.002510Z
entity updated at: 2026-05-03T16:20:22.557058+00:00Z
entity created at: 2026-05-03T15:17:48.642002+00:00Z