Claus Peter Ortlieb
type: Person
description: German mathematician
birth date: 1947-05-01
death date: 2019-09-15
birth place: Reinbek
death place: Hamburg
alumni of: University of Hamburg
works for: University of Hamburg
has occupation: mathematician
additional property: PropertyValue
  property ID: P18
  value: CPO300x450.jpg
additional property: PropertyValue
  property ID: P19
  value: Reinbek
additional property: PropertyValue
  property ID: P20
  value: Hamburg
additional property: PropertyValue
  property ID: P21
  value: male
additional property: PropertyValue
  property ID: P31
  value: human
additional property: PropertyValue
  property ID: P69
  value: University of Hamburg
additional property: PropertyValue
  property ID: P106
  value: mathematician
additional property: PropertyValue
  property ID: P108
  value: University of Hamburg
additional property: PropertyValue
  property ID: P184
  value: Lothar Collatz
additional property: PropertyValue
  property ID: P185
  value: Manuel E. Castaneda Falcon
additional property: PropertyValue
  property ID: P185
  value: Clemens Bente
additional property: PropertyValue
  property ID: P185
  value: Stefanie Locher-Beland
additional property: PropertyValue
  property ID: P213
  value: 0000000071473770
additional property: PropertyValue
  property ID: P214
  value: 42393262
additional property: PropertyValue
  property ID: P227
  value: 139401601
additional property: PropertyValue
  property ID: P244
  value: n95115669
additional property: PropertyValue
  property ID: P549
  value: 21845
additional property: PropertyValue
  property ID: P569
  value: May 1, 1947
additional property: PropertyValue
  property ID: P570
  value: September 15, 2019
additional property: PropertyValue
  property ID: P735
  value: Claus
additional property: PropertyValue
  property ID: P735
  value: Peter
additional property: PropertyValue
  property ID: P1412
  value: German
additional property: PropertyValue
  property ID: P1556
  value: ortlieb.claus-peter
additional property: PropertyValue
  property ID: P2671
  value: /g/11fmh3q_87
additional property: PropertyValue
  property ID: P3368
  value: 3479959
additional property: PropertyValue
  property ID: P4955
  value: 299594
additional property: PropertyValue
  property ID: P6104
  value: WikiProject Mathematics
additional property: PropertyValue
  property ID: P7902
  value: 139401601
additional property: PropertyValue
  property ID: P8168
  value: Reinke
additional property: PropertyValue
  property ID: P9964
  value: 139401601
confidence:
  popularity graph score:
    score: 0.0
    score pct: 0
    tier: long_tail
    components:
      sitelinks: 0
      sitelinks norm: 0.0
      unique citations: 2
      unique citations norm: 0.001
      monthly pageviews: 9
      monthly pageviews norm: 0.0
  sitelinks: 0
  unique citations: 2
  monthly pageviews: 9
  yearly pageviews: 25
  pageview trend:
    m: 2026-08
    v: 9
  pageview trend:
    m: 2026-07
    v: 3
  pageview trend:
    m: 2026-06
    v: 1
  pageview trend:
    m: 2026-05
    v: 6
  pageview trend:
    m: 2026-05
    v: 4
  pageview trend:
    m: 2026-04
    v: 2
  tier: long_tail
claims:
  P18:
    value: CPO300x450.jpg
    source count: 0
    confidence: 0.0
  P19:
    value: Q516405
    source count: 1
    confidence: 0.2
    value label: Reinbek
  P20:
    value: Q1055
    source count: 1
    confidence: 0.2
    value label: Hamburg
  P21:
    value: Q6581097
    source count: 1
    confidence: 0.2
    value label: male
  P31:
    value: Q5
    source count: 1
    confidence: 0.2
    value label: human
  P69:
    value: Q156725
    source count: 1
    confidence: 0.2
    value label: University of Hamburg
  P106:
    value: Q170790
    source count: 1
    confidence: 0.2
    value label: mathematician
  P108:
    value: Q156725
    source count: 1
    confidence: 0.2
    value label: University of Hamburg
  P184:
    value: Q61794
    source count: 1
    confidence: 0.2
    value label: Lothar Collatz
  P185:
    value: Q102181612
    source count: 1
    confidence: 0.2
    value label: Manuel E. Castaneda Falcon
  P185:
    value: Q102261371
    source count: 1
    confidence: 0.2
    value label: Clemens Bente
  P185:
    value: Q102261372
    source count: 1
    confidence: 0.2
    value label: Stefanie Locher-Beland
  P185:
    value: Q103183135
    source count: 1
    confidence: 0.2
    value label: Ines Lindner
  P213:
    value: 0000000071473770
    source count: 0
    confidence: 0.0

value: 42393262
source count: 1
confidence: 0.2

value: 139401601
source count: 1
confidence: 0.2

value: n95115669
source count: 0
confidence: 0.0

value: 21845
source count: 0
confidence: 0.0

value: +1947-05-01T00:00:00Z
source count: 1
confidence: 0.2

value: +2019-09-15T00:00:00Z
source count: 1
confidence: 0.2

value: Q18177178
source count: 1
confidence: 0.2
value label: Claus

value: Q2793400
source count: 1
confidence: 0.2
value label: Peter

value: Q188
source count: 0
confidence: 0.0
value label: German

value: ortlieb.claus-peter
source count: 0
confidence: 0.0

value: /g/11fmh3q_87
source count: 0
confidence: 0.0

value: 3479959
source count: 0
confidence: 0.0

value: 299594
source count: 0
confidence: 0.0

value: Q8487137
source count: 0
confidence: 0.0
value label: WikiProject Mathematics

value: 139401601
source count: 0
confidence: 0.0

value: Q1735301
source count: 1
confidence: 0.2
value label: Reinke

value: 139401601
source count: 0
confidence: 0.0

value: E39PBJcKJCMCWqBCM6QDV8qRKd
source count: 1
confidence: 0.2

value: 00002962
source count: 0
confidence: 0.0

value: 14263861
source count: 0
confidence: 0.0

value: 139401601
source count: 0
confidence: 0.0

source: FactGrid
stated in qid: Q90405608
retrieved: 2026-04-21

source: Mathematics Genealogy Project
stated in qid: Q829984

wikidata id: Q65665528
domain: human
level: standard
html url: https://4ort.xyz/entity/claus-peter-ortlieb
markdown url: https://4ort.xyz/entity/claus-peter-ortlieb.md
facts url summary: https://4ort.xyz/entity/claus-peter-ortlieb/facts.json
facts url standard: https://4ort.xyz/entity/claus-peter-ortlieb/facts.json
facts url full: https://4ort.xyz/entity/claus-peter-ortlieb/facts.json
data source: Wikidata (CC0 / public domain)
license: https://creativecommons.org/publicdomain/zero/1.0/
api version: v1
served at: 2026-08-23T11:46:42.314701Z
entity updated at: 2026-05-03T16:20:22.557058+00:00Z
entity created at: 2026-05-03T14:03:13.363234+00:00Z